Caffeine is one of the most widely used in the main drug that affect the mind. Interestingly, it has not been regulated or said to be illegal in most part of the world (Spiller 63). Caffeine has several positive effects in the body that includes alerting the bodies to slow down and sleep, pain reliever, motivate productivity of the mind etc. However, caffeine comes with some negative effects in the body but this depend on the dose taken and person`s sensitivity level. A safe caffeine intake is the one that a person can consume without experiencing any negative overdose symptoms. Someone cannot be able to assign an exert amount for everybody since people have different reactions depending on medical history and age. Therefore, caffeine has different effects in human body depending on the consumption intake.
Many people rely on a morning cup of coffee to help them get through the day. Around eighty percent of adult in U.S. take some form of caffeine everyday that keep them awake the whole day. Taking the fourth cup of coffee makes people to think twice because symptoms of caffeine have long term effect on the body. A higher dose Caffeine may have unpleasant side effects such as nervousness and increasingly stress levels (Institute, Of M. S 34). Too much caffeine can also lead to difficulties in getting enough restorative sleep that causes decrease in total sleeping time especially to the elderly people. Excessive caffeine intake also causes addiction to daily users and can lead to headaches, some withdrawal symptoms and fatigue if not consumed within certain amount of time. Now that moderate dose increases alertness, larger amount may lead to anxiety. It is a responsibility of everyone to monitor their own response to determine their tolerance. Therefore, caffeine can have different effect in human body depending on the consumption intake.
- Institute, Of M. S. Caffeine for the Sustainment of Mental Task Performance: Formulations for Military Operations. National Academies P, 2001.
- Spiller, Gene A. Caffeine. CRC P, 1998.