Caffeine can brighten your mood, increase your alertness, and lower your blood pressure when consumed responsibly. It can also cause irritability, jitters, and heart attacks when it's abused. So just ...

More companies are pushing low-calorie, sugar-free beverages they say are healthy. Some servings have nearly the same level of caffeine as a six-pack of Coca-Cola. By Julie Creswell It has been more ...

So many folks (like, literally millions) reach for a caffeinated beverage in the morning in order to wake up and feel alert. And many more drink coffees, teas, and energy drinks as the day goes on in ...

Aug 30 (Reuters) - Pediatricians and parents are calling for the U.S. to treat new high-caffeine energy drinks like alcohol and cigarettes and ban their sale to minors as a single serving can contain ...

New research suggests caffeine drinkers "may have difficulty accurately perceiving the influence of caffeine on sleep quality" Brenton Blanchet is an Associate Editor on PEOPLE's TV team. He has been ...

The most popular white tea grades include Silver Needle (Bai Hao Yin Zhen) and White Peony (Bai Mudan), which are the least processed and mostly involve the tea buds rather than the leaves (2). White ...

I’ve got to cut back on this stuff, it’s driving me crazy. No, wait! I need another cup! Know how that feels? Too many people do, especially in the Pacific Northwest, the birthplace of Starbucks. In ...

If caffeine does not affect you it may be due to your genetics, lack of sleep, or increased tolerance. To boost your energy without caffeine, try exercising, going outside, or eating a healthy snack.

Caffeine is a natural stimulant found in over 60 plants. People consume caffeinated foods and beverages to give them a kick of energy. The most common way to take in caffeine is with a cup of coffee ...