We ask an expert about the unexpected sources of caffeine in your daily diet and why this is bad news for your sleep.

The new line is debuting in three fruity flavors, which fans will only be able to buy at one retailer (for now, anyway).

Energy drinks may boost alertness, but their acidity could be silently weakening bones, especially in youth, posing a ...

Caffeine is the livelihood of many people starting their daily morning routines, wanting to have energy throughout the day or ...

Most adults can safely consume up to 400 milligrams (mg) of caffeine per day. Many pre-workout supplements contain 250–400 mg ...

Energy drinks are popular, but daily consumption raises health concerns. These beverages contain stimulants and sugar, ...

Taco Bell is adding six new drink options to its menu this summer. The drinks range from caffeinated energy boosts to a ...

Kelley, who has been a registered dietician for four years, warns that caffeine can be especially dangerous for children and ...

Drinking energy drinks daily can increase heart rate and blood pressure due to high levels of caffeine, increasing the risk ...