Monster helped popularize energy drinks, but most people still reach for coffee when they want caffeine. Here's how the ...

It's no surprise that energy drinks can pack a punch when it comes to caffeine -- here's a list of some popular energy drinks ...

The surprise finding of this study involved what scientists call an open-label placebo.

Researchers at the University of Sydney designed the study to test how belief and biology interact during caffeine withdrawal ...

Find out how much of a jolt you'll *actually* get from that cup of Joe.

Pulling back on caffeine doesn't have to mean white-knuckling through a week of withdrawal headaches.

That morning cup of coffee might provide more benefits than just a quick energy boost. New research suggests that consuming higher levels of caffeine could help curb body fat and reduce the risk of ...

Drinking too much caffeine can cause a caffeine overdose, a form of poisoning that healthcare providers also call caffeine toxicity.

Treatment for a serious caffeine overdose focuses on getting the substance out of the body.

Coffee contains plenty of caffeine—enough, in principle, to make every cup taste hideously bitter. Fortunately for ...

Is there caffeine in decaf coffee? Yes, but it’s negligible. Decaffeination removes at least 97 percent of the caffeine. Some companies claim to remove upwards of 99 percent, but Hendon’s skeptical.

If cold turkey sounds brutal, taper. "A good rule of thumb is to cut back caffeine by about 25% every week, over the course ...