There's nothing like a hot cup of your favorite caffeinated beverage to get you going in the morning, but for habitual drinkers a decaffeinated one may work just as well. It sounds outrageous, but ...

A recent study of sleep lab volunteers reveals that caffeine impairs essential brain functions at night. Here’s what happens. Stacey Leasca is an award-winning journalist with nearly two decades of ...

It is estimated that as many as 80 percent of all people partake in the world's most common psychoactive substance, caffeine. People enjoy soda, tea, or coffee, not only because of the taste, but for ...