utenzi

Caffeine is an interesting drug. Caffeine is a plant alkaloid which we extract primarily from coffee beans though significant amounts are also found in th tea bush Camellia sinensis. Caffeine is very popular due to its stimulatory affect on the central nervous system. Most people who partake of this drug do so in one of 3 forms, coffee, tea or soda. Coffee typically delivers the largest dose with 100mg per 8 ounces being typical. Tea only has a third as much caffeine and soda has a fifth. Chocolate limps way back behind these infusion style drinks in caffeine content. However there are some people, like me, that take caffeine in other ways. Periodically I take prescription drugs for migraine headaches. Many of these drugs contain caffeine, which is a little weird because caffeine is one of the triggers for migraines. The reason that these drugs contain caffeine is because caffeine, which is usually a vasoconstrictor, can actually increase the effect of certain vasodilators so that des...