For most healthy adults, consuming up to 400mg of caffeine a day is considered safe - Getty According to Nichola Ludlam-Raine, a dietitian and the author of How Not To Eat Ultra-Processed, for most ...

Caffeine helps us wake up and stay alert, but too much can be harmful to our health. Some coffee drinks at Starbucks contain almost the daily limit for caffeine in one cup. Starbucks also has drinks ...

What happens in the brain when caffeine is stopped suddenly, which symptoms appear early on, who should reduce intake, and ...

Both can fight fatigue — but one option comes with fewer risks and longer-lasting benefits. Here’s what nutrition and fitness ...

Caffeine is the world’s most used drug, with an overwhelming majority (88%) of Americans saying they consume caffeine. Of those who do, about 4 out of 5 say they consume caffeine on a daily basis, ...

The news is full of stories about kids hospitalized after consuming energy drinks infused with caffeine. One doctor is calling it a public health crisis. And there’s yet another, new caffeine drink on ...

Suddenly stopping caffeine can cause the brain to go into withdrawal. This happens because caffeine temporarily block receptors, and then when the caffeine is stopped, the brain releases too much of ...

Green tea contains caffeine and tannins, an antioxidant that can mess with iron absorption. So drinking it at certain times ...