Concepts

Questions at the end of the chapter →
Class 7
Chapter 6 Class 7 - Adolescence: A Stage of Growth and Change (Curiosi

8.9 Avoiding Harmful Substances

Last updated at April 26, 2026 by

What are Harmful Substances?

They are substances that damage body and mind health .

Key Facts and Examples
  • Drugs , alcohol , and tobacco harm the body severely .
IMG028

Warning signs show crossed-out cigarettes and
alcohol bottles, emphasizing the avoidance of
harmful substances.

Example: Smoking causes lung cancer, alcohol damages liver
  • Adolescents should stay away from all harmful substances .
Example: Saying no to friends offering cigarettes or alcohol
  • Social media and internet addiction affect mental health .
Example: Spending too many hours on phone, ignoring studies
  • Experimentation with substances can lead to addiction .
Example: Trying drugs once can lead to regular use
Substances to Avoid Harmful Substances Healthy Alternatives Tobacco - causes cancer Sports and exercise Alcohol - damages liver Reading books Drugs - destroy brain Spending time with family Excessive screen time Learning new skills

Section Summary: Reproductive Health

Reproductive Health Mental-Physical Connection Mind and body linked Healthy Practices Diet, exercise, sleep, hygiene Avoid Harmful Substances No drugs, alcohol, tobacco
Remove Ads Share on WhatsApp
CA Maninder Singh's photo - Co-founder, Teachoo

Made by

CA Maninder Singh

CA Maninder Singh is a Chartered Accountant with 16+ years of practical experience and 20+ years of teaching experience. At Teachoo, he simplifies Accounts, Tax and GST with step-by-step examples so students can apply concepts confidently in exams and real life.

For an uninterrupted learning experience, students can use Teachoo Black to remove ads and focus better.