Paraxanthine is being marketed as a smooth Early research suggests paraxanthine may provide an energy boost with fewer ...

A registered dietitian breaks down the effects of the popular energy drink that is making headlines as teens continue ...

Wondering how many cups of tea are healthy each day? A doctor explains safe tea intake, caffeine limits and side effects of ...

Learn how caffeine could be impacting young adults' sleep quality and school performance.

Insomnia, sleepiness, fatigue, and stress were associated with higher depression scores, but caffeine appeared to lessen the ...

In a recent study published in PLoS One, researchers compared the effects of caffeine and aerobic exercise on mental fatigue ...

Some evidence suggests that pairing your cup of Joe with this citrus may extend the effects of caffeine.

You can drink a cup of coffee with your ibuprofen to make it work faster and better, but this combo isn’t for everyone. Learn how to pair these safely.

Quitting caffeinated coffee cold turkey can lead to caffeine withdrawal and some uncomfortable symptoms. It's better to ...

Coffee has been linked to a significant side effect, a new study found.

British Columbia researchers found more than 200 contaminants in water and chinook salmon tissue samples collected from five ...

We asked registered dietitians to “spill the tea” on the best teas to drink if you want to cut back on your coffee ...