AGRO 1001 Lecture : DRUGS Lecture
Document Summary
Marijuana and hashish used the most, prescription drugs next. Different types of harm: physical, dependence, social harm. Dissociative drugs: dissociate from surroundings, leave your right state of mind. Psychoactive drug: alters brain function, makes you hallucinate. Dopamine reward system (feels good for short time period) Physical dependence: must use drug to avoid withdrawal. Reinforcement: drug makes users want to use again. Stimulants: excite mental alertness and physical activity, reduce fatigue, suppress hunger. Depressants: dull mental awareness, induce sleep or trancelike state.
