The document discusses drug addiction, focusing on hallucinogens and opioids, both of which significantly alter perceptions and bodily functions. It highlights the dangers of addictive substances like heroin, with an emphasis on the risk of overdose due to adulterants added by dealers. It also touches upon the broader impacts of substance abuse, including physical health effects and statistics related to drug-related deaths.

2. 

3. When a person becomes dependent on a drug, so much so that he feels that
he cannot live without it, then it is called addictions
Addicition,consist of psychic dependence, tolerance and physical
dependence

4. PSYCHOTROPIC DRUGS

6. Hallucinogens
* Hallucinogens are a type of drug that cause you to have hallucinations.They effect
the way you see and perceive things.The user may see or hear things that aren't really
there, or what they see may be distorted in some way.The effects of hallucinogens
vary greatly and it is impossible to predict how they may affect a particular person at
a particular time.

8. They are psychoactive drugs which induce temporary improvements in
either mental or physical function or both. Heroin is a narcotic that is
highly addictive; It is processed from morphine, a naturally occurring
substance extracted from the seedpod of the Asian poppy plant

9. Smoking 400,000
Accidents 94,000
2nd Hand Smoke 38,000
Alcohol 45,000
HIV/AIDS 32,600
Suicide 31,000
Homicide 21,000
Drugs 14,200

10. Tobacco & Cancer
Cancerous tumor
in the lung
Small cell
cancer in
Smoker’s
lung
Healthy
lungs
10

12.  Opioids are natural or synthetic substances
that act on the brain’s opiate receptors.
 Opioids dull pain and relieve anxiety that
comes from thinking about pain.
 People abuse opioids because they provide
a feeling of euphoria (a “rush”).

13.  It is synthesized form of morphine, derivative of opium poppy.
 Does not occur naturally but it is produced by acetylation of
morphine which leads to 3 folds increase in its potency.
 Opium poppy morphine heroin

14.  Heroin dealers often add substances
such as sugar, starch, quinine, and powdered milk to heroin to
increase profits, which increases the risk of
overdose or death.
 Very often, users are not aware of precisely what they are putting into
their bodies…

15. Intoxicant

16. Bleeding Pancreas of an Alcoholic, he’s
now dead!
How do you think these people turned out?

17. Same user of Methamphetamines 5 years later
1990 1995
Infection from IV drug use

20. BOOKS :
 Brooks
 ICSE Biology-2
URLs :
 http://www.americanscience.com
 http://www.google.com
 http://www.bioschool.com