Each stimulants involve any have any side effects. Undoubtedly the most harmless are currently cigarettes. Cigarette smoking leads to a number of cardiovascular diseases and, inter alia, lung, is a major cause of cancer of the liver. The second most harm is, however, alcohol. Of course, not from today, it is known that a glass of red wine before bed does not hurt, and the beer is good for the kidneys. By contrast, the consumption of excessive amounts of alcohol leads to degradation in the body and especially for renal diseases.