We tested the levels of caffeine and contaminants in brews from Dunkin', Folgers, Starbucks, and more. Some will wake you ...

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 ...

According to the report, coffee consumption is associated with a lower risk of melanoma and leukemia, as well as prostate and ...

At its core, kombucha is flavored, fermented tea — the best of which begins with a base of black or green tea, or a combination of the two. This, in turn, means that along with all the health benefits ...

As busy Americans, we don’t just love our daily caffeine fixes – we need them. So when the question of how much is too much arises, a cheery “everything in moderation” usually suffices. According to ...

Two-thirds of Americans drink coffee every single day, according to data collected by the National Coffee Association in 2022, and the debate about how much is too much and whether or not any amount ...

Drinking 1 cup of caffeinated coffee a day might help lower a person's risk of recurrent AFib episodes by as much as 39%, a ...

Caffeine affects the body in a variety of ways, particularly if you drink a lot. Having too much can cause gastrointestinal problems, headaches, and affect your sleep.

For some, the day doesn’t begin until the first cup of coffee. But for others, that ritual—famous for bringing focus and energy—can cause a racing heart, jittery hands, and a vague sense of dread that ...