PS268 Chapter 6: CAFFEINE TEXTBOOK NOTES
Document Summary
6. 1 textbook: caffeine = mild stimulant, evidence for dependence. Increased use in 1900s (due to alcohol prohibition) Chocolate: chocolate was originally made into a drink, until 1828, chocolate was indigestible cacao, 1847: first chocolate bars, 1876: swiss made milk chocolate, contains a xanthine called theobromine (less potent than caffeine) Sobering up: coffee does not help you sober up when you are hungover, energy drinks commonly mixed with alcohol, desensitize user to symptoms of alcohol intoxication. Over-the-counter drugs: caffeine is included in many non-prescription drugs, 80% of canadians regularly use some form of caffeine. 6. 3 textbook: xanthines: the oldest known stimulants, most important xanthines, caffeine (greatest effect on body, least potent on cardiovascular system, theophylline (most potent on cardiovascular system, theobromine (almost no effect) Behavioural effects: depends on task difficulty, time of day, how much caffeine normally consumed, stimulation, low dose (100mg): Cancer: no evidence on link between caffeine and cancer, coffee intake was inversely related with colon cancer.
