What is caffeine? How does caffeine work?
Learn all about caffeine – the most commonly used drug in the world. Find out about how caffeine affects the body, how it works and if caffeine has any health benefits or risks.
November 13, 2014 · by · in Nutritional News · Tags: affects-the-body, benefits-or-risks, body, how-caffeine, nutrition / diet, oncalldietitian.com, oncalldiets, the-most, world
