Caffeine

Eating a small snack a few hours before bedtime may help you sleep by preventing hunger from waking you. However, there are no snacks that guarantee to put you to sleep.

Energy drinks work no better than ordinary caffeine at helping us pay attention, a new study suggests.

Eye-twitching also called eye spasms or blinking disorder is known technically as blepharospasm. It usually is not a serious condition.

Scientists have captured a snapshot of a liver enzyme in a never-before-seen state as it breaks down drugs.

Decaffeinated coffee may protect against the cognitive decline that occurs with Type 2 diabetes and aging.

Daily consumption of regular soda may increase the risk of stroke.

Drinking more than three cups of coffee a day was linked with a reduced risk ofbasal cell carcinoma.

Five-Hour Energy, a high-caffeine drink, may have been involved in 13 deaths over the past four years, according to reports filed with the Food and Drug Administration.