Caffeine

Written By: Admin | Updated : September 8, 2012 3:59 PM IST

Caffeine is a stimulant which acts on the central nervous system and makes one more alert and gets rid of lethargy. In the environment, it can be found in seeds of the coffee plant and tea leaves. Technically speaking it is a drug and can induce dependence. Too much caffeine can lead to insomnia, nervousness or irritability in some individuals. Various researches have linked coffee to different conditions like heart disease, cancer and infertility but most of it is inconclusive.

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