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 ...

Cutting back on caffeine can cause withdrawal symptoms, especially if you are a regular drinker. (Getty Images) However, caffeine, particularly when it’s overused, can cause unwanted side effects like ...

If you quit caffeine suddenly, your body may react with headaches, fatigue, and mood swings you never expected. Dietitian ...

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 ...

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 ...

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 ...

Switch Strips released a comprehensive guide revealing that caffeine withdrawal insomnia extends far beyond the commonly cited 2 to 9 days, with post-acute symptoms potentially lasting 2 to 3 months ...

Changes to eating and sleeping routines can affect energy levels, mood and concentration. Here's how to make the transition ...

If you like to start your day with a warm cup of coffee or green tea for an energy boost, you're not alone. The National Coffee Association estimates that 66% of US adults drink coffee daily. Rest ...