Will a late-night scoop of coffee ice cream interfere with your sleep? Here's what a dietitian has to say.

Consumer Reports tested popular coffees and found that caffeine can vary a lot. The Food and Drug Administration recommends ...

From espresso to energy drinks to supplements, caffeine comes in many forms, Rula notes. And if you're like most people, you probably enjoy a cup of coffee each morning or a late-afternoon soda to ...

Caffeine is no longer just in your coffee and energy drinks — it's now showing up in face creams, eye serums, body scrubs, ...