Caffeine, medically known as trimethylxanthine, is a cardiac stimulant as well as a mild diuretic. When absorbing caffeine into your body it works the same way as taking an addictive drug such as cocaine or heroine. On the inside the body caffeine connects to a nerve cell to be the same as adenosine, and is able to bind to the adenosine receptor. Although adenosine slows down the cell’s activity, caffeine blocks the receptors and speeds up the cell. It also causes the brain’s blood vessels to constrict as it also blocks the adenosine’s ability to open them. This block causes an increased firing of the neurons within the brain, the pituitary gland notices this activity and interprets the information as the occurrence of an emergency. Then releases
