There's some debate about coffee and hydration. It's made up of water, but also a mild diuretic. Health experts explain ...

Glass bottles of Diet Coke in a grocery store - MDV Edwards/Shutterstock ...

After 40 minutes, the body has absorbed all of the caffeine from the Coke, which causes pupils to dilate and an increase in blood pressure. The drink by now will have also "blocked the adenosine ...

You probably never think of coffee, tea, and energy drinks like Red Bull or even Coca-Cola as drugs ... some people naturally have a higher tolerance to caffeine than others.

Registered dietitians explain the best beverage to start your day: coffee or tea. We break down the difference between coffee ...

The Mattress Online expert noted: “Caffeine blocks sleep-promoting receptors in your brain, which can make it more difficult ...

Any drive through Atlanta shows the benefits of Coca-Cola philanthropy, from the Woodruff Arts Center to most of Emory University. Even the land that is now home to both the Centers for Disease ...