1. Health
Chapter 22

2. Lesson 1
Psychological dependence: A drug abuser believes that a drug is needed in order to feel good or to function normally
Physiological dependence: A drug abuser develops a chemical need for a drug and experiences symptoms of withdrawl when the effects of the drug wear off
Drug use can create problems that affect a users physical, mental/emotional, and social health

3. Lesson 2 Marijuana is considered a possible gateway drug
A gateway drug is a drug that may lead the user to try other, more dangerous drugs
Marijuana Impairs short term memory, reaction time, concentration and coordination
THC, the main psychoactive ingredient in marijuana, is stored in body fat and traces of it can be present in the blood for as long as a month

4. Lesson 2
A health risk of marijuana in females is a risk of infertility
Some examples of inhalants include solvents, aerosols, glues, paints, varnishes and gasoline
Anabolic-androgenic steroids are synthetic substances similar to male sex hormones

5. Lesson 3
Psychoactive drugs change the functioning of the central nervous system
The effects on a teens developing brain and body can be especially developing
Amphetamines increase your blood pressure, increase your heartbeat, breathing, cause heart failure and may lead to death
One of the main dangers of stimulants is ADDICTION
Alcohol is a commonly used depressant

6. Lesson 3 Combining barbiturate wish alcohol can be fatal
Codeine is a highly addictive ingredient in some prescription cough medicines
Heroin is a processed from of morphine that is injected, snorted, or smoked
Oxycodone contains a strong OPIATE
Ecstasy is both a stimulant and an hallucinogen
Marijuana is an hallucinogenic drug that acts as both a stimulant and a depressant

7. Additional Notes: Hallucinogens have NO medical use
Narcotics can be VALUABLE for pain relief