Psychology 2020A/B Lecture Notes - Selective Serotonin Reuptake Inhibitor, Neurosis, Coffee Bean
16 Apr 2013
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80% of the world consumes a caffeinated drink daily: world 70 mg. Caffeine is a methylxanthine; xanthine means yellow : 1, 3, 7 trimethylxanthine combined w/theophylline, theobromine, dymethylxanthine, methylxanthine occurs in over 60 plant species protective purpose. Increased production of octopamine: excitatory nt leading to over excitation & death (used in pesticides/ not necessarily humans: plants containing methylxanthines coffee, tea, yerba mate, guarana, kola nut, cacao. Guarana brewing roasted berries like coffee, but twice the caffeine content, nrg drinks. Tea earliest caffeine containing beverage used for psychostimulating effects: china 2737 bc, shen neng. Also credited the discovery of ephedrine & marijuana: became widespread in china and japan, then eastern asia (1500s, stayed for a while), then europe (england and russia) due to the dutch east india company. Europe 1500s (england & russia) so popular they started to trade opium for tea with the chinese (opium wars 1800s)
