In addition to the point that caffeine has no nutritional value, caffeine can also cause illnesses amongst people. The daily intake of caffeine can vary depending on the type of caffeinated products being consumed. In the United States, ordinary soft drinks are accounted for the main source of caffeine for children and adolescents. Excessive amounts of coffee and tea are recognized as one of the causes of headaches or migraines.
Withdrawal of caffeine that is found in those two drinks can cause headaches. If too much caffeine is being consumed over short periods of time, it can lead to chronic fatigue and even depression. In North America, adult coffee drinkers typically consume around 2 cups per day while the habit in many parts of Europe is at least 4 cups per day. “Caffeine does not provide energy, only chemical stimulation which induces emergency state that can lead to irritability”, (Chirniske III). It gives the allusion of heightened alertness by dilating the pupils, quickening heart rate and raising blood