For years, I told myself I just liked coffee, until I stopped drinking it for 10 days and realized how much control it actually had over my mood and energy.

Add Yahoo as a preferred source to see more of our stories on Google. If you regularly drink coffee, tea, energy drinks or soda, you may experience side effects or withdrawal symptoms when slashing ...

Add Yahoo as a preferred source to see more of our stories on Google. However, caffeine, particularly when it’s overused, can cause unwanted side effects like “insomnia, digestive problems, increased ...

When you cut out caffeine, you'll miss out on the temporary spike in blood pressure people often get from caffeine. However, the exact impact of cutting out caffeine can depend on your caffeine ...

According to the nutritionist, the best way to consume L-theanine is to blend green tea with apples and other ingredients ...

Attention all coffee lovers! Feel like you can't even get out of bed without a cup of coffee or other caffeinated beverage? The American Psychiatric Association's Diagnostic and Statistical Manual of ...

Editor's Note: While onsite at the 2013 Annual Meeting of the American Psychiatric Association, Medscape spoke with Ali Canton, MD, of the University of Oklahoma College of Medicine about the ...

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

Almost the middle of Ramadhan and some people are still battling out some challenges such as overcoming coffee and tea ...

If you are way too dependent on your morning coffee, you might be addicted to caffeine. Here are some ways to deal with it- ...