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

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

Caffeine can stay in your system for up to 12 hours, but this may vary based on individual factors. Learn more about side ...

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 ...

"Like iced coffee, like espresso, energy drinks have caffeine in them," Pena said. "And caffeine is known to act as what's called a diuretic, so it makes you -- urinate a lot and that can be very ...

What is strato? Starbucks adds strawberry matcha, brown sugar and salted caramel mocha Strato Frappuccino to the seasonal summer menu. How they taste.

While Cofer’s total caffeine intake would vary depending on what kind of soda and energy drink he’s reaching for, when you add it all up he’s likely hitting between 300 and 450 milligrams of ...

Try to avoid sugary drinks and caffeine, some of these drinks include coffee, soda, lemonade, sweet tea and energy drinks. These drinks typically have lots of sugar, try swapping some of these ...

"Like iced coffee, like espresso, energy drinks have caffeine in them," Pena said. "And caffeine is known to act as what's called a diuretic, so it makes you -- urinate a lot and that can be very ...