The stimulatory effects of caffeine may begin as early as 15 minutes after ingesting the drug and last as long as six hours. In moderate doses, caffeine helps to increase alertness and reduces sleepiness. However, regular ingestion of excessive amounts of caffeine can lead to problems such as poor concentration, nervousness, heartburn, constipation, and diarrhea.
Many research studies have examined how coffee affects the brain and its functions. The potential effects are mainly related to caffeine, one of the main constituents of coffee. Conclusions of studies on both caffeine and coffee are highlighted below with more detailed information. Coffee and brain Performance The caffeine in coffee acts as a mild
Good for body internal organ. This is a proven truth. In addition to lowering the risk of liver cancer, coffee consumption has been linked to a lower incidence of cirrhosis, especially alcoholic cirrhosis. A study in the Archives of Internal Medicine demonstrated an inverse correlation between increased coffee consumption and a decreased risk of cirrhosis,