Are you getting too much caffeine? Here's what researcher Marilyn Cornelis wants you to know.

According to the American Medical Association, roughly 85% of Americans consume caffeine daily, yet most of us don’t think twice about what it’s really doing to our bodies. That post-lunch slump, the ...

Certain antibiotics, cardiovascular, and asthma medicines can affect how fast caffeine is metabolised in your body.

There's a fine line between the caffeine boost you need and it leaving you jittery, wide awake at midnight, or nursing a ...

When I finally confronted my dependency and gave up coffee three months ago, my body wasn’t happy. In the mornings during the time that I would normally have my espresso, my thoughts tried to bargain ...

Consumer Reports tested popular coffees and found that caffeine can vary a lot.

Andrew Huberman, a neuroscientist, professor, and podcast host, recommends delaying morning caffeine by 90 minutes to boost ...

Some claim it gives you energy and focus—without the jitters and crash.