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 ...

We all have our favorite caffeine vehicles—yours might be a thick, foamy espresso or a strong cup of Earl Gray tea, or chocolate. I like a good cup of black coffee made with a French press! One way or ...

Teens have a lot of options when it comes to eating and drinking caffeinated products, and many do just that. In fact, research shows that nearly a quarter of teens have caffeine all or most days of ...