Suddenly stopping caffeine can cause the brain to go into withdrawal. This happens because caffeine temporarily block receptors, and then when the caffeine is stopped, the brain releases too much of ...

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 ...

Whether you’ve consciously decided to cut back, or you’ve been running too late to stop for your morning cup of coffee, if you feel awful anytime you’re low on caffeine you might be experiencing the ...

There are a variety of reasons why someone might decide to reduce their intake of caffeine—or cut themselves off completely—that have nothing to do with resolutions. But ‘tis the season for attempting ...

Some of us (myself included) can't imagine starting the day without a cup (or three) of coffee. Not only is it part of our daily routine, but it also just makes us feel good — awake, of course, and a ...

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 ...

Caffeine is the most consumed psychoactive compound in the world. Even if you don’t drink coffee or tea, you probably still regularly consume caffeine since it’s found in everything from fizzy drinks ...

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.

You probably know that tea and coffee contain caffeine, but did you know it also can be found in other drinks, food and some medications? When it comes to caffeine consumption, you’re not alone if you ...

Billions of people worldwide depend on caffeine every day to wake up and get through the day. A cup of coffee can be just the thing to help you get through that afternoon slump, or to help you survive ...