Beyond its energizing effects, caffeine can also influence cognitive performance, memory, mood regulation and even long-term ...

Coffee and the caffeine in it can interact with some drugs. Learn more about which drugs you should not take with coffee.

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Dr. Ehlers warns that pure caffeine powder is especially dangerous. It’s so concentrated that normal kitchen scales can’t ...

Caffeine in coffee offers surprising health benefits, although energy drinks may be harmful. Here's what you need to know.

Certainly, it begs the question: How much caffeine is really in coffee ice cream, and is it enough to keep you up at night? Ultimately, it’s important to be mindful of your caffeine intake as ...

For example, a 2009 study published in the Human Brain Mapping Journal found that caffeine reduced cerebral blood flow — that's the blood supply to the brain — by an average of 27%.