The Health directory covers specific information about health such as child health, addictions, medicine, nursing, yoga, weight loss, pharmacy, reproductive health, specific substances.
Annals.org: Coffee Drinkers
In a United States population, people who drank more coffee were less likely to develop type 2 diabetes mellitus.
http://www.annals.org/
Coffee Science Information Centre
Answers to questions about the effects of coffee on health, provided by the Institute.
http://www.cosic.org/
Coffee Science Source
Presents information on coffee, caffeine and health, reviewed by medical experts, from science journals and industry reports.
http://www.coffeescience.org/