Learn how caffeine affects brain chemicals and health, sleep, and mood. Understand safe daily limits, hidden sources, and signs you’re getting too much.

A growing body of laboratory research suggests that caffeine, the most consumed psychostimulant in the world, may reduce symptoms of anxiety and depression by suppressing inflammatory signaling inside ...

Your morning cup of java can wake your body up; can caffeine do the same thing for your face? Here’s what dermatologists say.

Caffeine offers some real health benefits—but not if you go overboard. Here’s how coffee, energy drinks, and other caffeine products can affect your health.

Jillian Kubala, MS, is a registered dietitian based in Westhampton, NY. Jillian uses a unique and personalized approach to help her clients achieve optimal wellness through nutrition and lifestyle ...

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 ...

From espresso to energy drinks to supplements, caffeine comes in many forms, Rula notes. And if you're like most people, you probably enjoy a cup of coffee each morning or a late-afternoon soda to ...