STIMULANTS - STIMULANTS: most widely used drug, contained...

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STIMULANTS:  Caffeine: most widely used drug, contained in coffee, tea, cola, chocolate, over the counter drugs, prescription drugs causes alertness but can lead to anxiety depression hostility used in excess Nicotine: contained in tobacco,so strong that body develops a tolerance in hours; associated with health problems Amphetamine: a class of central nervous system stimulants that increase arousal, relieve fatigue and suppress appetite Large doses cause confusion, paranoia, hallucination, delusion, aggression Cocaine: Stimulant producing euphoria, stimulates brain, constricts blood vessels, raises BP, increases heart rate Crash: Feelings of depression, exhaustion, irritability and anxiety following an amphetamine, cocaine or crack high Crack: The most potent, inexpensive and addictive form of cocaine, smoked CAFFEINE:  naturally occurs in tea coffee cocoa  -many of stimulatory effects illusory -often in experiments subject thinks he/she is doing better  -caffeine reduces number of sleep minutes and increase time to fall asleep -medications-pain relievers cold allergy -generally benign but large doses 5 cups of coffee can cause anxiety palpitations  insomnia  -can interfere with prescribed medications  -can aggravate psychiatric disorders  NICOTINE  -more dangerous than caffeine-naturally in tobacco  -stimulant effect but higher doses acts as depressant  -immediate effects increased heart rate constricted blood cells increased risk lung  cancer cardiovascular disease and blindness  -elevation in mood increases neurotransmitters-produces craving  -shares traits with highly addictive drugs such as cocaine amphetamines withdrawal:  nervousness insomnia headaches irritable craving  AMPHETAMINES  -reports date 500 years back-used to treat asthma and narcolepsy  -popularity stems from use in military during WWII  -students to keep awake -suppress appetite- easy to get prescription up till 70s  - potential abuse great because of effects on consciousness and behaviour 
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STIMULANTS - STIMULANTS: most widely used drug, contained...

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