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Coffee, cola or an energy drink: caffeine is the world's most widely consumed psychoactive substance. Researchers from the University of Basel have now shown in a study that regular caffeine intake ...

Caffeine has a variety of stimulating effects on the body. While healthcare professionals don’t recommend drinking caffeine if you have certain medication conditions, it may be OK to have in ...

Caffeine is classified as a drug because it stimulates the central nervous system, raising alertness. Caffeine is popular because of the temporary energy and mood boost it offers. Before caffeine is ...