Caffeine is the most widely used stimulant in the world. For many of us, a cup of coffee or tea is almost as routine as ...

Suddenly stopping caffeine can cause the brain to go into withdrawal. This happens because caffeine temporarily block receptors, and then when the caffeine is stopped, the brain releases too much of ...

According to the American Medical Association, roughly 85% of Americans consume caffeine daily, yet most of us don’t think twice about what it’s really doing to our bodies. That post-lunch slump, the ...

Despite the common belief that chocolate makes you hyper, the truth lies in its caffeine content — and it’s probably not as ...

(CNN) — For many Americans, a morning routine is not complete without a cup of joe. The National Coffee Association reports the average American drinks just over three cups daily. And some people opt ...

While caffeine is a natural substance, there’s also a synthetic version that can be found in a variety of products including pain relievers, cold medicines, energy drinks, “energy-boosting” gum, and ...

If you're sensitive to caffeine or trying to cut back, it's good to know what foods and drinks contain this stimulant. Here's ...

Learn about how decaf coffee is made, how much caffeine is in decaf coffee, and how the decaffeination process impacts the ...