3. Examples: Caffeine, tobacco, cocaine Physical Effects: increases heart rate, restlessness, loss of appetite, difficulty sleeping Psychological Effects: euphoria, increased alertness, paranoia Withdrawal Symptoms: lack of interest in normal activities, fatigue, irritability, depression, mental confusion

5. Examples: alcohol, barbiturates, tranquilizers Physical Effects: decreased heart rate, sleepiness, poor coordination, blurred vision, slowed reaction time Psychological Effects: calmness, reduced anxiety, lowered alertness, mood changes Withdrawal Symptoms: restlessness, nausea, blurred vision, difficulty sleeping, paranoia

6. …used to relieve pain

7. Examples: codeine, opium, morphine, heroin Physical Effects: pain relief, sleepiness, decreased heart rate, nausea & vomiting Psychological Effects: euphoria, relaxation, inability to concentrate, lack of response to frustration, hunger Withdrawal Symptoms: flu-like symptoms, watery eyes, runny nose, nausea, diarrhea, loss of appetite, muscle twitches

8. Drugs that distort the users perception of their surroundings and their bodies

9. Examples: LSD, PCP, Mescaline Physical Effects: dilated pupils, increased heart rate, muscle twitches, nausea, insensitivity to pain Psychological Effects: euphoria or extreme fear, distortion of senses, altered perception of time & distance Withdrawal Symptoms: None known

10. Indian Hemp Plant

11. Examples (nicknames): pot, grass, weed Physical Effects: increased heart rate, increased appetite, dry mouth Psychological Effects: Mild euphoria, relaxed inhibitions, slowed sense of time, difficulty concentrating, impaired memory Long Term Use: lung damage, possible damage to reproduction and Immune system. Withdrawal Symptoms: irritability, restlessness, difficulty sleeping.