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 ...

I’ll never know how much caffeine I consumed the night I practically drank my weight in Typhoo tea, but given the fact that I stayed awake for 24 hours, it was an awful lot. The tea was delicious, the ...

In a study published in PLOS One, researchers split people who regularly drank three to six cups of coffee a day into two groups, and had one group spend the next four days drinking water, the other ...

Not only does coffee not dehydrate you, but it could also improve your heart health and has been linked to ageing and longevity benefits for women. It’s even been linked with heart and gut benefits, ...

NEW YORK (Reuters Health) - If you suffer from ringing in the ears, imbibing caffeine won't make it worse, and giving up caffeinated beverages won't make it better, new research from the UK shows.

Caffeine affects the body in a variety of ways, particularly if you drink a lot. Having too much can cause gastrointestinal problems, headaches, and affect your sleep.

Ever feel like you can't function without your morning cup of Joe? Trying to kick your coffee-drinking habit could lead to a mental health disorder, new research shows. The latest version of the ...

Additionally, if you switch from coffee to black tea, you may notice a short-term drop in energy due to the lower caffeine ...

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 ...

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