Essay on Effects Of Caffeine On The Central Nervous System

1929 Words Nov 10th, 2015 8 Pages
Caffeine is the most popular psychoactive drug in the world. Millions of people consume caffeine, in various forms, daily in order to feel more energized, but when consumed in amounts that are out of proportion, the effects can be counterproductive or dangerous.
Caffeine is both a natural and man made substance that is classified as a drug, food additive, and stimulant of the central nervous system. Its chemical classification is Xanthines because it 's derived from the purine base Xanthine. Xanthine consists of a group of naturally occurring agents that act on the central nervous system. Xanthines act on the central nervous system by stimulating the myocardium, the thickest layer in the middle of the heart wall, relaxing smooth muscle, muscle tissue that moves without human control, and by promoting diuresis, dehydration. As a solid, caffeine can physically can be described as a white, odorless crystalline substance. Caffeine’s molecular formula is C8H10N4O2 which is similar to the neurotransmitter, Adenosine whose molecular formula is C10H13N5O4. They both consist of carbon, hydrogen, nitrogen, and oxygen and have relatively close amounts of each. Since caffeine and adenosine both share similar molecular formulas, they also share similar looking structures.

Caffeine has been used for both recreational and medicinal purposes since before recorded time. Some anthropologists believe caffeine has been used as early as 600,000 BCE. In 900 BC, according to multiple Arabian…

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