1. Addictive Substances
Addictive Substances – chemicals that a person becomes
addicted to.

2. We will study 5 types of drugs
1. Stimulants
2. Depressants
3. Narcotics
4. Hallucinogens
5. Inhalants

3. Stimulants
-Stimulants – speed up the process of the nervous system, so a
person may stay awake longer or stay excited.
-Example stimulants: methamphetamine (=meth=speed),
cocaine, caffeine, nicotine
One year of meth use

4. Depressants
-Depressants –slow down the activities of the central nervous
system
-They are taken to relax a person
-Examples: alcohol, barbiturates
-Alcohol causes slow brain activity and misjudgment…….

5. Narcotics
Narcotics – taken to relieve pain and make you sleep easier.
They affect the body by depressing the nervous system.
Examples: opium, heroin, morphine, codeine
Before and After
Heroin

6. Hallucinogens
Hallucinogens – make you see things that are not real.
Examples: LSD, cannabis (marijuana)

7. Inhalants
Inhalants are sniffed or breathed as vapor
Examples: cleaning solvents, glue, paint, aerosol sprays, nitrous
oxide

8. Common Drugs
Cigarettes
-Smoking – single greatest cause of preventable death in the world
-Smoke causes lung cancer, heart diseases, bronchitis, emphysema
-There are over 19 known carcinogens in cigarette smoke
-Carcinogen = chemical that causes cancer

9. Cigarette smoke damages teeth
Cigarette smoke damages lungs
Cigarette smoke can kill other people
Lung cancer X-ray