Man heading for a haircut. Image by © Tim Sandle. Man heading for a haircut. Image by © Tim Sandle. Caffeine shampoo is marketed as a hair loss treatment designed ...

USDA standards say decaf coffee is supposed to have its caffeine content reduced by no less than 97.5% of the source coffee. For both reasons, measurement is important. Moreover, coffee producers can ...

Adam Taylor does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

In the land of venti pumpkin spice lattes and caramel macchiatos, Americans frequently partake in caffeine fixes. In fact, most people in the U.S. consume caffeine daily, primarily in the form of ...

Caffeine offers some real health benefits—but not if you go overboard. Here’s how coffee, energy drinks, and other caffeine products can affect your health. America's favorite drug is caffeine, ...

Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being. For many Americans, a morning ...