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 ...

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 ...

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 ...

(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 ...

The levels of caffeine in your blood could affect the amount of body fat you carry, a factor that in turn could determine ...

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