It's generally safe to drink four 8-ounce (oz) cups of coffee per day, or about 400 milligrams (mg) of caffeine. If you drink more than that, you may feel anxious, jittery, or nauseous. Consuming too ...

Coffee may boost longevity and lower diabetes risk according to the latest research. Here is what the evidence tells us.

Fact checked by Nick Blackmer Whether enjoyed for the taste, the energy boost, or a bit of both, drinking coffee is a popular ...

A recent randomized clinical trial challenges the idea that people with AFib issues may need to avoid coffee. In fact, coffee may even be protective against AFib episodes. Still, talk to your doctor ...