PS268 Lecture Notes - Fasciculation, Brain Tumor, Benzene
Document Summary
Most drink less than 1 cup a day. Three plants containing xanthines have been used by humans for thousands of years. When coffee beans were first discovered they were considered a cure for just about everything. Current north american consumption = 100 litres per year. A major highlight in the history of tea: the boston tea party. American colonists were angry about a tax on their tea imposed by britain. Legal tea sales dropped due to a boycott. A special arrangement was made for the english east india company, angering american merchants. So the americans poured all the english tea into the boston harbour. Illegally smuggled tea that they poured into the harbour. Caffeine tea has about 40 to 60mg of caffeine per cup depending on the type and strength of the brew. Theophylline tea contains a very small amount of theophylline. In high doses, theophylline is used as an asthma medication.
