PHAR 100 Lecture Notes - Lecture 17: Sympathetic Nervous System, Shortness Of Breath, Smoking Cessation

• School: Queen's University
• Department: Pharmacology and Toxicology
• Course: PHAR 100
• Professor: Bill Racz

Document Summary

Stimulant drugs part 1: caffeine and nicotine. Common concentrations: 1 cup (8 oz) of coffee: 100-150 mg caffeine, 1 cup (8 oz) of tea: 40-80 mg caffeine, 12 fl. oz can of cola: 35-65 mg caffeine, milk chocolate bar: 20 mg caffeine. Energy drinks fortified with extra-large amounts of caffeine: rockstar: 16 oz, 160 mg caffeine, red bull: 8. 3 oz, 80 mg caffeine. Member of a family of drugs called methylxanthines. Naturally occurring in a number of species of plants: found in coffee, tea and chocolate. First isolated from coffee by german chemist: called kaffeebase. Coffee is made from the fruit of a small tree: genus coffea. Dr. william harvey was one of the first coffee drinkers in england and promoted the beverage for its therapeutic benefits: two of his students believed it cured drunkenness. Coffee gained such popularity in england, consumption of alcoholic beverages started to decline. Sold commercially in china by 780 ad.