Unlike many drugs, caffeine may be taken legally by people of all ages, which helps make it the world's most widely used stimulant.
Jan 10, 2014
4.8 / 5 (9) | 2
A new American Cancer Society study finds a strong inverse association between caffeinated coffee intake and oral/pharyngeal cancer mortality. The authors say people who drank more than four cups of caffeinated ...
Dec 10, 2012
5 / 5 (5) | 0