Medically reviewed by Femi Aremu, PharmD Caffeine's diuretic nature may lower magnesium levels in your body.Low magnesium levels can cause muscle cramps, anxiety, and weakness.Eating more ...

A cup of coffee or tea in the morning or an afternoon caffeine pick-me-up is usually fine for most adults. But parents might want to take a closer look at caffeine and other ingredients in the drinks ...

The caffeine in energy drinks is higher than what teens should get in a day, Consumer Reports' tests of energy drinks show.

Nine out of 10 Americans have some caffeine every day, UNC Health says, whether that be coffee, tea or an energy drink. There are downsides: in large amounts, caffeine can lead to seizures, sudden ...

Researchers at the Yong Loo Lin School of Medicine, National University of Singapore (NUS Medicine), have demonstrated that ...

Coffee typically contains more caffeine per cup than matcha, providing a quicker energy boost.

Researchers found that moderate coffee consumption was associated with a lower risk of mood disorders.

Kim Kardashian is now the face of a caffeine-free energy drink. Instead of containing caffeine, Update includes paraxanthine, ...

Medically reviewed by Patricia Mikula, PharmD Key Takeaways Paraxanthine is a metabolite of caffeine that may cause less ...

You hear it all the time, when it comes to sleep: Don’t drink caffeine too late in the day. It’s among the most common sleep tips—and it’s a good one. Caffeine, with its stimulant effects, is ...