Medically reviewed by Sohaib Imtiaz, MD Key Takeaways Coffee can interfere with how your body absorbs or reacts to many ...

Caffeine can enhance alertness, vigilance, attention and reaction time, stated Harris Lieberman, a research psychologist with the U.S. Army Research Institute of Environmental Medicine ...

Adults can safely consume up to 400 milligrams of caffeine daily, which equates to roughly three cups of coffee, says Alissa Steinberg, a registered dietitian and founder of Healthy U. During ...

And, for what it’s worth, there is some data to suggest yerba mate may be associated with losing weight: It stimulates ...

Studies have found that coffee’s caffeine content boosts metabolic rate, increasing how quickly your body burns fat. Another smaller study found that ingesting caffeine led to a 13% increase in ...

We asked experts. Caffeine is the main active ingredient associated with coffee and may very well be the reason most people drink coffee in the first place. But there are more than a thousand ...

“Some people with ADHD do find that caffeine has a paradoxical effect, meaning it helps them focus and calm their mind, ...

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

David Benavides, a board-certified sleep medicine physician, told Newsweek when you should cut off coffee consumption and why.

Green tea contains caffeine, so if you are avoiding caffeine ... However, it can cause acid reflux and doesn’t mix well with certain medications, so talk to your doctor before enjoying a ...