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 ...

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 ...

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 ...

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.

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 ...

Medically reviewed by Jamie Johnson, RDN Key Takeaways Energy drinks may give a quick boost, but they often lead to a crash later on.Dehydration, sugar spikes and drops, caffeine effects, and poor ...

Even if, as in my case, the habit you want to change is decades long.

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

Should a slip in the daily routine prevent you from quaffing your "cup of ambition," you probably don't need a caffeine researcher to tell you what will happen next—you will start to feel sick. In a ...