Caffeine and its Long-term Physiological Changes Essay

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Caffeine and its Long-term Physiological Changes To many people, caffeine seems like more of a necessity to start the day, or keep the day going, rather than a potentially harmful drug; however, most do not realize the long-term physiological changes that can occur as reported by several users. According to National Geographic, consumers spend 30 million dollars every year on caffeine tablets and roughly 50 billion dollars on caffeinated soda. Caffeine is a drug and as such makes changes the bodies. When people consume food or drink with caffeine in it the body responds by a raise the blood pressure, exciting the central nervous system, endorses urine formation, and speed up the action of the heart…show more content…
Food and Drug Administration does not include caffeine on its "generally recognized as safe" (GRAS) list. (Microsoft, 2003) Caffeine is a psychoactive drug and as such when consumed, there are physiological changes that occur such as mood and increase energy. People have explained this a "buzz." Users like the way the buzz makes them feel. Other users feel a sense of normalcy using the drug, which also makes it possible for them to get through their daily life. (Ieid, T.R., 2005) Caffeine is the most widely used drug in the world, yet abuse of the drug is rare because people stop using when they feel jittery and unable to function in a clear mental state. Jittery is a feeling of anxiousness, most likely due to an increase in blood pressure. Like other drugs, the amount of caffeine needed to become jittery is dependant on the person's body weight, i.e. children consume less amounts of caffeine than adults and feel the same effects because of their low body weight. (Ieid, T.R., 2005) Digital imagery of the brain shows that a heavy caffeine user's brain on caffeine looks the same as a person's brain that is a light caffeine user not on caffeine at that particular time. In other words, a heavy caffeine user needs caffeine to have their brain function somewhat normal. (Ieid, T.R., 2005) There has been no direct relationship between death and caffeine use, however there is a case in

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