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Adolescence: A Stage of Growth and Change

NCERT Class 7 · Science Based on NCERT Class 7 Science textbook · Free CBSE study kit

Chapter Notes

CHAPTER 6: ADOLESCENCE - A STAGE OF GROWTH AND CHANGE

INTRODUCTION TO ADOLESCENCE

**Adolescence** is a stage of life that begins around 10-12 years of age and continues until about 19 years of age. It is a period of rapid growth and development between childhood and adulthood.

Life Stages in Humans

The journey of human life can be divided into different stages:

  • **Infancy**: The earliest stage from birth to about 2 years
  • **Childhood**: From about 2 years to 10-12 years
  • **Adolescence**: From about 10-12 years to 19 years (the focus of this chapter)
  • **Adulthood**: From about 19-20 years onwards
  • **Old Age**: The final stage of life
  • **Important Point**: Each person experiences these stages at their own pace, and the duration of each stage varies from one individual to another.

    Why Adolescence is Important

    During adolescence, the human body prepares for adulthood. Young people cannot reproduce immediately after birth - their bodies need to grow and reach a stage of maturity to develop reproductive capability. This is similar to how plants need to grow before producing seeds.

    ---

    6.1 GROWING WITH AGE: THE TEENAGE YEARS

    Understanding Observable Changes in Adolescence

    Adolescence is characterized by significant **physical changes** (changes you can see), **emotional changes** (changes in feelings), and **behavioural changes** (changes in how you act). Some changes are clearly observable while others occur internally and may go unnoticed.

    Physical Changes During Adolescence

    #### Change 1: Increase in Height

  • During adolescence, the rate of increase in height becomes much more prominent
  • From birth onwards, our bodies grow continuously, but this growth is most noticeable during teenage years
  • Both boys and girls experience significant increase in height during this period
  • **Real-life example**: A student who was 140 cm tall in Grade 5 might reach 160 cm by Grade 8.

    #### Change 2: Changes in Body Structure, Weight Gain, and Strength

    **In Boys**:

  • Along with growing taller, boys gain weight
  • Shoulders become broader and wider
  • Chest becomes wider and more muscular
  • Overall body structure becomes more masculine
  • **In Girls**:

  • Girls also experience changes in height and weight
  • Development of breasts (mammary glands)
  • Body shape becomes more rounded
  • Overall body structure becomes more feminine
  • #### Change 3: Changes in Voice

    The voice box (also called larynx) is a structure in our throat that helps us speak.

    **In Boys**:

  • Growth of the voice box leads to voice that sounds hoarse or deeper
  • Voice may crack occasionally
  • The growth of the voice box is often visible as a bump in the throat region called **Adam's apple**
  • This bump is more prominent in boys than girls
  • **In Girls**:

  • The voice box also grows but not as much as in boys
  • Therefore, changes in voice are only slight
  • Voice does not deepen as much as boys' voices
  • **Real-life example**: A boy's voice might suddenly deepen while he is speaking in class, which can be embarrassing but is completely normal.

    #### Change 4: Emergence of Acne (Pimples)

    **Acne** is a skin condition in which small, reddish pimples appear on the skin, most commonly on the face.

    **Cause of Acne**:

  • Increase in oily secretions from skin glands during adolescence
  • These oily secretions clog the skin pores (tiny openings in the skin)
  • Clogged pores can lead to infections by bacteria
  • This results in formation of pimples
  • **Important Note**:

  • Acne is a common condition during adolescence
  • While acne is the condition, pimples are the visible manifestation of it
  • Proper cleansing and hygiene can help reduce acne
  • Using harsh products should be avoided as skin is sensitive during this time
  • #### Change 5: Appearance of Hair in Different Parts of Body

    **In Both Boys and Girls**:

  • Hair growth appears in the armpits (underarms)
  • Hair growth appears in the pubic region (lower abdomen and genital area)
  • This hair growth is often coarser and darker than body hair
  • **In Boys Specifically**:

  • Facial hair develops (on upper lip and chin) which later grows into moustache and beard
  • Some boys develop chest hair
  • Some boys may develop back hair
  • However, few boys may have no significant hair growth - this variation is completely normal
  • **In Girls**:

  • Hair growth is more limited compared to boys
  • Mainly appears in armpits and pubic region
  • Facial and body hair growth is minimal
  • **Real-life example**: A boy may start developing a moustache in Grade 7, while his friend in the same class may not develop it until Grade 9 - both are completely normal.

    Key Point: Individual Variation in Adolescent Changes

    **Very Important**: The timing, nature, and extent of these changes vary significantly among individuals.

  • Some adolescents may experience rapid changes while others experience gradual changes
  • Some changes may appear earlier in some individuals than others
  • The intensity of changes differs from person to person
  • All such variations are completely normal and natural
  • Each person experiences adolescence at their own pace
  • Duration of adolescence also varies from one person to another
  • ---

    SECONDARY SEXUAL CHARACTERISTICS

    Definition

    **Secondary sexual characteristics** are natural signs that the body is preparing for adulthood. They are changes that help distinguish males from females but are not directly involved in the process of reproduction.

    Examples of Secondary Sexual Characteristics

  • Change in voice (deeper in boys, slight change in girls)
  • Growth of facial hair in boys (moustache and beard)
  • Growth of chest hair and back hair in boys
  • Development of breasts in girls
  • Growth of hair in armpits and pubic region (in both)
  • Changes in body shape and structure
  • Important Understanding

    These secondary sexual characteristics:

  • Mark the onset of **puberty**
  • Help the body prepare for reproductive capability
  • Are visible and observable changes
  • Distinguish between males and females
  • ---

    PUBERTY

    Definition

    **Puberty** is the stage in which the body of an adolescent undergoes external and internal changes to develop into an adult capable of reproduction.

    Duration and Age

  • Puberty typically occurs during adolescence (10-19 years)
  • Onset age varies among individuals (usually 9-14 years)
  • Duration varies from person to person (usually lasts 2-5 years)
  • Key Characteristics

  • External changes (observable): secondary sexual characteristics
  • Internal changes (not observable): maturation of reproductive organs and systems
  • Hormonal changes: significant increase in sex hormones
  • ---

    6.2 CHANGES THAT INDICATE REPRODUCTIVE CAPABILITY

    Introduction

    Adolescence involves not only observable external changes but also **internal changes** that are not visible from outside. One of the most important internal change is the maturation of reproductive organs and systems.

    Internal Changes

    Both boys and girls experience gradual internal changes that are natural parts of growing up. These changes prepare the body for reproduction (the ability to have children).

    ---

    THE MENSTRUAL CYCLE IN GIRLS

    What is Menstruation?

    **Menstruation** is the phase of the menstrual cycle when blood discharge occurs from the uterus (womb) and exits the body through the vagina. It is a normal biological process.

    The Menstrual Cycle

    **Menstrual cycle** is a monthly cycle that recurs in girls and women, generally every 28-30 days. It can also range from 21-35 days in many healthy girls.

    **Duration of Menstruation**: The actual bleeding phase lasts for 3-7 days.

    When Does Menstruation Start?

  • Menstruation typically starts during adolescence (between 9-16 years)
  • Average age of onset is around 12-13 years
  • However, there is significant individual variation
  • When Does Menstruation End?

    **Menopause** occurs when menstruation stops naturally. This happens usually between ages 45-55 years, marking the end of reproductive capability in a woman's life.

    Signs and Symptoms During Menstruation

  • Some girls may feel pain or discomfort in the lower abdomen during menstruation
  • Some may experience headaches or back pain
  • Some may feel fatigued or emotional
  • Some girls may experience mood changes
  • These symptoms are common and usually not serious
  • Important Point

    The menstrual cycle is a sign of good reproductive health. It indicates that the body is functioning normally and that reproductive maturity is being reached.

    ---

    BREAKING MYTHS ABOUT MENSTRUATION

    What are Myths and Taboos About Menstruation?

    There are many wrong beliefs and myths about menstruation that unfortunately still exist in society. These myths have no scientific basis.

    Common Myths

    One of the most harmful myths is the **physical isolation of menstruating girls**. Some societies believe that:

  • Menstruating girls should be separated from others
  • Menstruating girls cannot participate in normal activities
  • Menstruating girls are "unclean"
  • Menstruating girls should not enter certain places
  • Scientific Truth

    **Menstruation is a completely natural process** that occurs in the healthy bodies of girls and women. The myths around it have absolutely no scientific backing.

    Why Breaking These Myths is Important

  • Unnecessary fear, shame, and guilt surrounding menstruation should be eliminated
  • Encouraging a scientific outlook towards menstruation helps society appreciate reproductive health
  • Breaking myths contributes positively towards a healthier lifestyle for women and girls
  • It helps in removing stigma around menstrual products like sanitary pads
  • How You Can Help

  • Learn about menstruation scientifically
  • Talk openly and respectfully about it
  • Support friends who are menstruating
  • Help break the stigma by using correct terminology
  • Educate others in your family about the scientific facts
  • ---

    6.3 EMOTIONAL AND BEHAVIOURAL CHANGES IN ADOLESCENTS

    Understanding Emotional Changes

    Adolescence is not just about physical changes but also about significant **emotional changes** (changes in feelings and moods) and **behavioural changes** (changes in how you act and react).

    Key Emotional Changes During Adolescence

    #### 1. Mood Swings

    **What are mood swings?**: Rapid and frequent changes in emotions or mood, sometimes without clear reasons.

    **Causes**:

  • Hormonal changes during adolescence
  • New experiences and stressors
  • Brain development
  • **Effects on behaviour**:

  • Happy one moment, sad the next
  • May seem irritable or angry without reason
  • Can affect relationships with family and friends
  • #### 2. Strong Emotions

    **Characteristics**:

  • Emotions during adolescence are more intense than in childhood
  • Feelings are experienced more deeply
  • Emotional reactions may seem exaggerated to adults
  • **Examples**:

  • Very happy or excited about something small
  • Deeply hurt or sad about a comment
  • Very angry about a situation
  • **Effects on behaviour**:

  • May react more strongly to situations
  • May take comments more personally
  • May be more sensitive to criticism
  • #### 3. Increased Sensitivity

    **What does this mean?**:

  • Becoming more aware of and reactive to others' feelings
  • More conscious of how others perceive them
  • Increased self-awareness
  • **Effects on behaviour**:

  • May become more empathetic towards others
  • May feel embarrassed more easily
  • May worry more about what others think
  • May develop social anxiety in some cases
  • #### 4. Self-Exploration

    **What is it?**:

  • Natural curiosity about oneself
  • Trying to understand who you are
  • Exploring interests, values, and identity
  • **Effects on behaviour**:

  • Involvement in new activities and hobbies
  • Trying different styles of dress and appearance
  • Questioning beliefs and values
  • May seem rebellious or want independence
  • Positive Ways for Growth and Development

    To handle emotional changes in a healthy way:

  • **Engage in varied activities**: Participate in music, dance, sports, art, or other creative activities. These help express emotions constructively.
  • **Self-exploration through activities**: Find hobbies and interests that help you understand yourself better. Try new things to discover your talents.
  • **Involvement in social work**: Help others in need, participate in community service, or join social initiatives. This develops compassion and a sense of responsibility.
  • **Talk to trusted people**: Share your feelings with parents, teachers, siblings, or counselors.
  • **Physical activities**: Exercise and sports help regulate mood and manage stress.
  • **Creative expression**: Use art, music, writing, or other creative outlets to express emotions.
  • ---

    6.4 MAKING ADOLESCENCE A JOYFUL EXPERIENCE

    Introduction

    Adolescence is a unique and exciting stage of life. Good habits, thoughtful decisions, and small positive actions can have a powerful impact on overall well-being of adolescents.

    ---

    6.4.1 MEETING NUTRITIONAL NEEDS

    Why Nutrition is Important During Adolescence

    Adolescence is a period of rapid growth and development with several changes occurring in the body. Therefore, a nutritious and balanced diet is of utmost importance.

    Essential Nutrients for Adolescents

    #### 1. Proteins

    **Functions**:

  • Essential for proper growth of body
  • Help in formation of muscles and tissues
  • Help gain strength
  • Improve energy levels
  • Important for healthy bones and teeth
  • **Food sources** (locally available in India):

  • Milk and milk products (paneer, curd, cheese)
  • Eggs
  • Chicken, fish, and meat
  • Pulses (dals) like moong, arhar, chana
  • Beans and legumes
  • Nuts and seeds (peanuts, almonds, sunflower seeds)
  • #### 2. Carbohydrates

    **Functions**:

  • Primary source of energy for body
  • Help perform well on playground and during physical activities
  • Important for brain function
  • Help maintain body temperature
  • **Food sources**:

  • Rice and wheat
  • Bread and roti
  • Potatoes
  • Grains and cereals
  • Sugarcane and jaggery (gur)
  • #### 3. Fats

    **Functions**:

  • Important source of energy
  • Help in absorption of vitamins A, D, E, K
  • Essential for brain development
  • Important for healthy skin and hair
  • **Food sources**:

  • Milk and milk products
  • Nuts and seeds (almonds, walnuts, peanuts)
  • Oils (coconut oil, mustard oil, groundnut oil)
  • Fish
  • Ghee (in limited quantities)
  • #### 4. Vitamins

    **Vitamin A**:

  • Functions: Helps vision, healthy skin and immunity
  • Sources: Carrots, spinach, papaya, mango, egg
  • **Vitamin B12**:

  • Functions: Required for proper functioning of human body, helps form red blood cells
  • Sources: Milk, eggs, meat, fish, cheese
  • **Important fact**: Humans cannot make vitamin B12 in the body - it must be obtained from food
  • **Vitamin C**:

  • Functions: Helps immunity, helps wound healing
  • Sources: Orange, lemon, tomato, guava, strawberry
  • **Vitamin D**:

  • Functions: Helps calcium absorption, bone health
  • Sources: Milk, fish, egg yolk, sunlight exposure
  • #### 5. Minerals

    **Calcium**:

  • Functions: Essential for strong bones and teeth, helps optimal bone growth
  • Sources: Milk, curd, cheese, paneer, leafy vegetables (spinach, mustard greens)
  • **Iron**:

  • Functions: Helps in formation of blood (hemoglobin), prevents anemia
  • Sources: Spinach, kidney beans, dried fruits (raisins, figs, dates), meat, fish, eggs
  • **Important note**: Adolescents, especially girls, may suffer from iron deficiency anemia due to increased needs during growth and menstruation
  • Health Problems Due to Nutritional Deficiencies

    **Anemia**:

  • A blood-related health problem
  • Caused by deficiency of iron or vitamin B12
  • More common in adolescent girls due to menstrual blood loss
  • Symptoms: Tiredness, weakness, pale skin, dizziness
  • Can be managed through proper diet and supplements
  • Dorothy Hodgkin - A Scientist to Know

    Dorothy Hodgkin was a brilliant British scientist who studied the structure of vitamin B12. In 1964, she became the third woman ever to win the Nobel Prize in Chemistry. Her work helped us understand the importance of vitamin B12 for human health.

    ---

    6.4.2 PERSONAL HYGIENE

    What is Personal Hygiene?

    **Personal hygiene** refers to keeping your body clean and maintaining cleanliness habits to prevent diseases and infections.

    General Body Hygiene During Adolescence

    **Importance**:

  • Adolescence involves significant hormonal changes that increase body odor and oil secretion
  • Maintaining body hygiene, particularly in armpits and pubic region, protects against infections
  • Good hygiene habits help prevent skin infections and maintain skin health
  • **Hygiene Practices**:

  • Daily bathing or showering
  • Washing hands regularly with soap
  • Washing intimate areas gently with plain water
  • Keeping nails clean and trimmed
  • Wearing clean clothes daily
  • Using clean towels
  • ---

    MENSTRUAL HYGIENE

    What is Menstrual Hygiene?

    **Menstrual hygiene** refers to maintaining cleanliness and health during menstruation. It is essential for both comfort and health of adolescent girls.

    Products for Menstrual Hygiene

    **Sanitary Pads**:

  • Most commonly used menstrual hygiene product
  • Absorbent material that collects menstrual blood
  • Available in various sizes and thicknesses
  • Should be changed every 4-6 hours for comfort and hygiene
  • Made of cotton and other absorbent materials
  • **Reusable Cloth Pads**:

  • Alternative to disposable pads
  • Can be washed and reused
  • More economical
  • Environmentally friendly
  • Need to be properly cleaned and dried
  • **Biodegradable Sanitary Pads**:

  • Environment-friendly option
  • Can be disposed without harming the environment
  • Decompose naturally
  • Available at affordable prices through government initiatives
  • Proper Disposal of Menstrual Products

  • Used sanitary pads should be wrapped in newspaper
  • Then disposed in a dustbin (not in toilet)
  • This ensures community health and environmental cleanliness
  • Using biodegradable pads helps reduce environmental pollution
  • Importance of Menstrual Hygiene

  • Prevents infections and health problems
  • Increases comfort during menstruation
  • Promotes overall reproductive health
  • Helps girls attend school regularly without missing classes
  • Reduces stigma when discussing menstrual health openly
  • ---

    GOVERNMENT SCHEMES FOR MENSTRUAL HYGIENE

    1. Menstrual Hygiene Scheme (MHS)

    **Launched by**: Government of India

    **Key Features**:

  • Sanitary pads provided free of charge or at reduced price to adolescent girls in rural areas
  • Focuses on girls in government and aided schools
  • Awareness programmes conducted to educate girls about menstrual hygiene and health
  • Helps reduce dropout rates in schools
  • Reduces stigma by making pads available to all girls
  • **Impact**: Girls can attend school without missing due to menstruation

    2. Rashtriya Kishor Swasthya Karyakram (RKSK)

    **Full Name**: National Adolescent Health Programme

    **Objective**: Improve overall health of adolescents including boys and girls

    **Key Features**:

  • Focuses on menstrual health and hygiene
  • Encourages peer education where older students help younger ones learn about these topics
  • Provides counseling and health education
  • Makes healthcare services accessible
  • **Target**: All adolescents, both boys and girls

    3. Suvidha Sanitary Napkin Initiative

    **Key Features**:

  • Biodegradable sanitary pads provided at affordable prices
  • Available through Jan Aushadhi Kendras (government stores for affordable medicines)
  • Aims to improve access to menstrual hygiene products for women and adolescent girls
  • Environmentally friendly option
  • Makes quality products affordable to all
  • **Benefit**: Combines affordability with environmental consciousness

    4. State-Level Initiatives

    Various state governments have their own programmes:

  • **Shuchi Scheme** in Karnataka: Free sanitary napkins in schools
  • Free sanitary napkin schemes in Tamil Nadu: Free distribution in schools
  • Free sanitary napkin schemes in Odisha: Free distribution in schools
  • Other states also have similar programmes
  • **Objective**: Ensure that no girl-child misses school due to lack of access to menstrual hygiene products

    ---

    6.4.3 PHYSICAL ACTIVITIES

    Why Physical Activities are Important During Adolescence

    Regular exercise and physical activities are very important during adolescence for multiple reasons.

    Benefits of Physical Activities

    **Physical Benefits**:

  • Keep your body fit and healthy
  • Build up stamina and strength
  • Maintain healthy weight
  • Strengthen muscles and bones
  • Improve cardiovascular health
  • Improve overall physical fitness
  • **Mental and Emotional Benefits**:

  • Boost mood and reduce stress
  • Improve concentration and focus
  • Build confidence
  • Help manage anger and frustration
  • Improve sleep quality
  • Reduce anxiety and depression
  • Enhance self-esteem
  • Types of Physical Activities for Adolescents

  • Games and sports (cricket, badminton, basketball, football, tennis)
  • Dancing (classical, modern, any form)
  • Cycling
  • Swimming
  • Running and jogging
  • Yoga
  • Martial arts
  • Gym and weight training
  • Play activities
  • Walking
  • How to Incorporate Physical Activities

  • Participate actively in school sports and games
  • Join sports clubs or classes
  • Exercise regularly (at least 30-60 minutes per day)
  • Play games with friends
  • Help in household chores (gardening, cleaning)
  • Walk or cycle to school if possible
  • **Real-life example**: A student might play cricket in school, do yoga at home, and go for cycling with friends - all contributing to physical fitness.

    ---

    6.4.4 BALANCED SOCIAL LIFE

    What is a Balanced Social Life?

    A balanced social life means maintaining healthy relationships with family, friends, and community while being responsible about your interactions and behavior.

    Importance of Good Social Skills

  • We all live in society and interact with each other in daily life
  • Good social interactions are essential for emotional well-being
  • Healthy relationships help during challenging times
  • Social support is important for overall development
  • Respectful Behavior

    **Importance**:

  • Be polite and respectful towards each other
  • Listen to others with attention
  • Respect others' opinions and feelings
  • Treat everyone with kindness
  • Help create a favorable and safe environment
  • **Benefits**:

  • Builds trust and strong relationships
  • Creates positive atmosphere at home and school
  • Helps others feel valued and respected
  • Contributes to a peaceful society
  • ---

    PEER RELATIONSHIPS DURING ADOLESCENCE

    Characteristics of Peer Relationships

    During adolescence:

  • Adolescents often feel attracted to their peers
  • They may mimic behavior of their friends
  • Peer influence becomes stronger
  • Desire for acceptance from peers increases
  • May feel pressure to fit in with friends
  • Responsible Behavior with Peers

  • Be a good influence on your friends
  • Encourage positive behavior
  • Resist negative peer pressure
  • Think before following what others do
  • Make your own decisions based on what's right
  • Be loyal but not blindly follow others
  • ---

    ONLINE INTERACTIONS AND SOCIAL MEDIA

    Digital Technologies and Online Platforms

    Modern technologies have made online platforms available for all to:

  • Obtain information
  • Make connections with others
  • Interact with people
  • Share information with each other
  • Responsible Use of Social Media

    **Why Responsible Use is Important**:

  • We should use these platforms responsibly for collective well-being
  • Sometimes we unknowingly use social media carelessly
  • Adolescents may be more vulnerable to online risks
  • Wrong use can have serious consequences
  • **Guidance from Elders**:

  • Seeking guidance from parents, teachers, and trusted adults can help
  • Use these platforms positively and safely
  • Follow their advice regarding online safety
  • Benefits of Social Media if Used Responsibly

  • Stay connected with family and friends
  • Access educational information
  • Learn new skills
  • Express creativity
  • Build positive online communities
  • ---

    CYBERBULLYING

    What is Cyberbullying?

    **Definition**: Cyberbullying involves the use of digital devices such as phones, computers, or online platforms to harass, bully, or intimidate others.

    Forms of Cyberbullying

  • Sending misleading or hurtful messages
  • Spreading false rumors or lies about someone
  • Sharing personal information without consent
  • Sharing embarrassing or private photos/videos
  • Mocking or making fun of someone online
  • Threatening or intimidating messages
  • Exclusion from online groups
  • Effects of Cyberbullying

  • Emotional trauma and hurt feelings
  • Anxiety and depression
  • Loss of confidence
  • Academic problems
  • Social withdrawal
  • In severe cases, serious mental health issues
  • How to Handle Cyberbullying if It Happens to You

    **Important Points**:

  • Do not feel scared or helpless
  • Handle it wisely and calmly
  • Seek help from parents and teachers immediately
  • Do not respond to bullying messages
  • Keep evidence (screenshots) of bullying
  • Block the person bullying you
  • Report the incident on the social media platform
  • How to Avoid Being a Victim

  • Be cautious when uploading any picture online
  • Do not share personal information with strangers
  • Do not share passwords with anyone except parents
  • Be careful about accepting friend requests from unknown people
  • Do not meet online friends in person without parental approval
  • Think before posting anything online
  • Remember that anything posted online is permanent
  • How to Be a Responsible Online User

  • Treat others with respect online just as offline
  • Do not bully or hurt others
  • Do not share others' personal information
  • Do not participate in spreading rumors
  • Report cyberbullying if you see it happening
  • Support friends who are being bullied
  • Set a good example for others
  • ---

    TABLE 6.4: DOS AND DON'TS FOR SOCIAL MEDIA

    DO's (Things You SHOULD Do)

  • Be respectful and kind to others
  • Think before posting anything online
  • Protect your privacy and personal information
  • Use strong passwords
  • Only share photos/videos you are comfortable with
  • Report inappropriate content or behavior
  • Seek help from adults if needed
  • Be a positive influence online
  • Keep messages polite and appropriate
  • Limit personal information in your profile
  • Think about how your posts affect others
  • DON'Ts (Things You SHOULD NOT Do)

  • Do not share personal photos with strangers or virtual friends
  • Do not share your passwords with anyone
  • Do not meet online friends in person without telling parents
  • Do not share personal information (address, phone number, school name)
  • Do not post inappropriate or mean comments
  • Do not spread rumors or false information
  • Do not forward private/sensitive messages
  • Do not bully or harass anyone online
  • Do not accept friend requests from strangers
  • Do not click on suspicious links
  • Do not spend excessive time on social media
  • Do not use social media to compare yourself with others and feel bad
  • ---

    6.4.5 AVOIDING HARMFUL SUBSTANCES

    What are Harmful Substances?

    Harmful substances are drugs, tobacco products, and alcohol that can damage your body and mind.

    Common Harmful Substances

    **Tobacco Products**:

  • Cigarettes
  • Beedi (thin hand-rolled cigarette)
  • Cigar
  • Pipe tobacco
  • Chewing tobacco
  • Gutka (mixture of betel nut and tobacco)
  • **Alcohol**:

  • Beer
  • Wine
  • Spirits and hard liquor
  • **Illegal Drugs**:

  • Heroin
  • Cocaine
  • Cannabis
  • Various other dangerous drugs
  • Why Adolescents Might Try These Substances

  • Peer pressure from friends
  • Curiosity due to adolescent nature
  • Someone tempting, persuading, or forcing them
  • Social pressure to fit in
  • Seeing others using these substances
  • Misconception that it makes them cool or mature
  • ---

    SUBSTANCE ABUSE AND ADDICTION

    What is Substance Abuse?

    **Definition**: Substance abuse refers to the regular use of harmful substances despite knowing their negative effects. It involves using these substances more than intended.

    What is Addiction?

    **Addiction** means a person develops a strong urge to use a substance again and again. Key characteristics:

  • Strong craving for the substance
  • Using it regularly despite wanting to stop
  • Needing more of the substance to feel the same effect
  • Withdrawal symptoms when not using
  • Inability to control use
  • How Addiction Develops

    **The Dangerous Truth**:

  • Someone who is addicted today might have started with "just one time"
  • Addiction develops gradually, often without realizing
  • With continued use, tolerance builds (need more of substance for same effect)
  • Over time, regular use becomes a habit
  • Full addiction can develop
  • Why These Substances are Addictive

  • They affect brain chemicals
  • They create dependency
  • Body adapts to the substance
  • Stopping becomes very difficult
  • Withdrawal can be extremely unpleasant
  • ---

    HEALTH PROBLEMS CAUSED BY HARMFUL SUBSTANCES

    Health Effects of Tobacco and Smoking

    **Lung Damage** (See Fig 6.5):

  • Before smoking: Lungs are pink and healthy
  • After prolonged smoking: Lungs become dark, damaged, with tar deposits
  • Smoking damages lung tissue and reduces oxygen absorption
  • **Other Health Problems from Tobacco/Smoking**:

  • Breathing difficulties and reduced lung capacity
  • Increased risk of asthma
  • Heart disease
  • High blood pressure
  • Increased cancer risk (lung, mouth, throat, stomach)
  • Premature aging of skin
  • Bad breath and tooth decay
  • Reduced stamina and athletic performance
  • Weakened immunity
  • Health Effects of Alcohol

  • Liver damage and liver diseases
  • Brain damage affecting memory and thinking
  • Damage to stomach and digestive system
  • Heart problems
  • Weakened immunity
  • Sleep problems
  • Behavioral and emotional problems
  • Increased risk of accidents
  • Addiction and dependency
  • Health Effects of Illegal Drugs

  • Memory loss and difficulty concentrating
  • Brain damage affecting thinking and judgment
  • Heart problems and increased heart rate
  • Respiratory problems if smoked
  • Serious infections if injected
  • Kidney and liver damage
  • Mental health problems including anxiety and depression
  • Overdose and death
  • Severe addiction
  • ---

    IMPORTANCE OF SAYING NO

    Why is "NO" the Right Choice?

    **Important Message**: Say 'NO' to addictive substances the first time and every time!

    **Reasons to Say NO**:

  • Protects your physical health
  • Protects your mental health
  • Keeps your future bright
  • Maintains your relationships
  • Helps you perform well in studies
  • Keeps you in control of yourself
  • Avoids addiction trap
  • Prevents legal problems
  • How to Say NO Effectively

  • Be firm and confident in your decision
  • Practice what you'll say if offered
  • Remove yourself from situations where drugs are offered
  • Spend time with friends who support healthy choices
  • Find alternative activities that are fun and healthy
  • Believe in yourself and your ability to say no
  • Remember that real friends respect your decision to say no
  • ---

    DEALING WITH ADDICTION

    First Step to Overcoming Addiction

    The first and most important step is:

  • **Seeking help and support from family and friends**
  • Admitting that there is a problem
  • Being willing to get help
  • Not feeling ashamed to ask for help
  • Sources of Help

  • **Parents and family**: They can provide support and care
  • **Teachers and school counselors**: Can provide guidance
  • **Friends**: Can provide emotional support
  • **Doctors**: Can provide medical treatment
  • **Counselors and psychologists**: Can provide professional counseling
  • **Support groups**: People going through similar situations
  • **Helplines**: 24-hour support services
  • Treatment Options

  • Medical advice and treatment
  • Counseling (individual and group)
  • De-addiction programs
  • Rehabilitation centers
  • Therapy and mental health support
  • Regular follow-up and monitoring
  • Government Support

    **Nasha Mukt Bharat Abhiyaan** (Drug-Free India Campaign):

  • Launched by Ministry of Social Justice and Empowerment, Government of India
  • Aims to reach masses and spread awareness about avoiding substance abuse
  • Active participation of youth, women, and community
  • Special focus on preventing substance abuse among children
  • Regular awareness programs and campaigns
  • **National De-addiction Helpline**:

  • **Number**: 14446
  • **Purpose**: Help people dealing with drug addiction
  • **Availability**: Available 24 hours
  • **Service**: Free counseling and referral to treatment
  • Key Message

    "Your health and your future are in your hands — choose wisely!"

    ---

    6.5 THE 'WHY' QUESTION FOR ADOLESCENCE

    Why Do These Changes Occur?

    This is a natural question that many adolescents ask: "Why do all these changes happen during adolescence?"

    Scientific Explanation

    The changes occurring during adolescence happen due to **hormones** - special chemicals in our body that control growth and development.

    **Hormones**:

  • Are chemical messengers in the body
  • Control various body functions
  • Regulate growth and development
  • Increase significantly during adolescence
  • Different hormones cause different changes
  • **Sex Hormones**:

  • **Testosterone**: Main male sex hormone that causes male characteristics like deeper voice, facial hair, broader shoulders
  • **Estrogen**: Main female sex hormone that causes female characteristics like breast development, menstruation, wider hips
  • **Growth Hormone**:

  • Causes increased height and weight
  • Causes rapid growth during adolescence
  • Hormonal Control System

    The body has special glands that produce hormones:

  • **Pituitary gland**: Master gland that controls hormone production
  • **Thyroid gland**: Controls growth and metabolism
  • **Sex glands (testes in boys, ovaries in girls)**: Produce sex hormones
  • **Adrenal glands**: Produce various hormones
  • During adolescence, these glands become more active and produce more hormones, causing all the changes we observe.

    Evolutionary Purpose

    These changes serve important biological purposes:

  • Prepare the body for reproduction
  • Enable the body to create and nurture new life
  • Signal sexual maturity
  • Help individuals find mates for reproduction
  • Ensure continuation of species
  • Why Individual Variation?

    MCQs — 10 Questions with Answers

    Q1. At what age does adolescence typically begin?

    • A. Around 10-12 years ✓
    • B. Around 5-7 years
    • C. Around 15-17 years
    • D. Around 20-22 years

    Answer: A — Adolescence typically occurs between ages 10-19, with noticeable changes beginning around 10-12 years after earlier growth stages.

    Q2. What is the bump in the throat of adolescent boys called?

    • A. Thyroid gland
    • B. Adam's apple ✓
    • C. Windpipe
    • D. Larynx bump

    Answer: B — The Adam's apple is the visible bump in the throat caused by growth of the voice box during male puberty.

    Q3. Which of the following is NOT a secondary sexual characteristic?

    • A. Facial hair in boys
    • B. Breast development in girls
    • C. Increase in height ✓
    • D. Voice changes in boys

    Answer: C — Increase in height is a general physical change affecting both boys and girls, not a secondary sexual characteristic that distinguishes males from females.

    Q4. What is the typical duration of a normal menstrual cycle?

    • A. 14-21 days
    • B. 21-35 days or 28-30 days average ✓
    • C. 35-42 days
    • D. 7-14 days

    Answer: B — A typical menstrual cycle averages 28-30 days but can range from 21-35 days in healthy girls, which is completely normal.

    Q5. A girl in your class notices several pimples on her face. What is the scientific reason for this during adolescence?

    • A. Poor hygiene and dirt accumulation
    • B. Eating too much chocolate and oily food
    • C. Increased oily secretions from skin clogging pores and causing infections ✓
    • D. Drinking insufficient water

    Answer: C — Acne and pimples during adolescence are caused by increased oil production from the skin that clogs pores, not dietary factors or hygiene alone.

    Q6. Your friend is worried because his voice is becoming hoarse during adolescence. What should you tell him?

    • A. This is abnormal and he should see a doctor immediately
    • B. This is a normal secondary sexual characteristic caused by voice box growth during puberty ✓
    • C. This means he is catching a throat infection
    • D. This will continue to get worse throughout his life

    Answer: B — Voice changes in adolescent boys are a normal secondary sexual characteristic caused by the growth of the voice box during puberty.

    Q7. Why is a nutritious diet particularly important for adolescent girls like Devyani in the story?

    • A. To prevent mood swings completely
    • B. To support rapid growth, development, and compensate for iron loss during menstruation ✓
    • C. To make them taller than boys
    • D. To prevent all emotional changes

    Answer: B — Adolescent girls need proper nutrition for rapid growth and development, and especially need iron-rich foods because menstruation causes blood loss monthly.

    Q8. How do variations in the timing and extent of physical changes during adolescence affect students?

    • A. Some students mature faster while others mature slower, which is completely normal ✓
    • B. All students must develop facial hair and breasts at the same age
    • C. Students who develop faster are healthier than those who develop slower
    • D. Variations indicate that some students are abnormal

    Answer: A — Each person experiences adolescence at their own pace; variations in timing, nature, and extent of changes among individuals are completely normal and healthy.

    Q9. A girl in Class 7 feels embarrassed about starting her menstrual cycle. Based on the chapter, which statement is most helpful?

    • A. Menstruation is a natural biological process that shows reproductive maturity, and myths about it have no scientific basis ✓
    • B. She should avoid all physical activities and social events during menstruation
    • C. Menstruation indicates there is something wrong with her body
    • D. She should isolate herself from family and friends

    Answer: A — The chapter emphasizes that menstruation is a natural, healthy process; myths and taboos have no scientific basis, and a scientific outlook promotes good reproductive health.

    Q10. How do emotional changes during adolescence potentially affect a student's behaviour and choices?

    • A. Emotional changes make all adolescents behave badly
    • B. Stronger emotions may lead to positive changes like joining social work or developing new interests, or negative behaviours if not managed thoughtfully ✓
    • C. Emotional changes have no effect on behaviour
    • D. Only girls experience emotional changes during adolescence

    Answer: B — The chapter explains that stronger emotions during adolescence can influence behaviour both positively (social involvement, creativity) and negatively, depending on how adolescents process and respond to these emotions.

    Flashcards

    What is adolescence and at what age does it typically begin?

    Adolescence is the stage of life between childhood and adulthood lasting from age 10-19 years, marked by rapid growth and development.

    Define secondary sexual characteristics with one example.

    Secondary sexual characteristics are observable body changes that mark puberty and help distinguish males from females, such as facial hair in boys or breast development in girls.

    What is the Adam's apple and why does it appear in adolescent boys?

    The Adam's apple is a bump in the throat formed by the growth of the voice box, which enlarges during puberty causing boys' voices to become deeper.

    What is acne and what causes it during adolescence?

    Acne is a skin condition where small reddish pimples appear, caused by increased oily secretions from the skin during adolescence that clog pores and lead to infections.

    How long is a typical menstrual cycle and what phase involves blood discharge?

    A typical menstrual cycle lasts 28-30 days (ranging from 21-35 days), and the menstruation phase with blood discharge lasts 3-7 days.

    Name one emotional change that occurs during adolescence.

    Mood swings are a common emotional change where adolescents experience rapid shifts in feelings and emotions during this stage.

    Why is proper nutrition especially important during adolescence?

    Adolescence is a period of rapid growth and development, so adequate proteins, carbohydrates, fats, vitamins, and minerals are essential for proper physical growth and energy.

    What are the differences in voice changes between adolescent boys and girls?

    The voice box grows more in boys than girls; boys experience a hoarse or deeper voice change while girls experience only slight changes in voice.

    At what age does menstruation typically stop in women?

    Menstruation stops naturally between ages 45-55, marking the end of reproductive capability in a woman's life.

    Why is it important to break myths about menstruation?

    Breaking myths about menstruation promotes scientific understanding, reduces unnecessary fear and shame, and supports good reproductive health in women.

    Important Board Questions

    What is puberty? [1 mark]

    Define as the stage when body develops reproductive capability and external/internal changes occur; lasts roughly from age 10-19.

    Explain why the appearance of facial hair in boys and breast development in girls are called secondary sexual characteristics. [2 marks]

    These changes mark puberty and distinguish males from females, but aren't directly involved in reproduction; they show body is preparing for adulthood.

    List three physical changes that occur during adolescence and explain how each helps the body prepare for adulthood. Give one Indian food example that supports these changes. [3 marks]

    Select from: height increase, weight gain, voice changes, hair growth, skin changes. Explain how each indicates maturity. Example: Milk and paneer provide calcium and protein for bone and muscle growth.

    Describe the menstrual cycle in adolescent girls, explain why breaking myths about menstruation is important, and suggest two ways to support emotional well-being during adolescence. Draw and label a simple diagram showing the approximate 28-30 day menstrual cycle. [5 marks]

    Define menstrual cycle (28-30 days average, bleeding phase 3-7 days); explain myths have no scientific basis and hinder women's health; suggest activities like sports, creative pursuits, or social work. Diagram should show cycle phases starting from Day 1 of menstruation to Day 28-30 with menstruation phase marked.

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