A 2023 study published in BMJ Medicine suggests that higher levels of caffeine circulating in your bloodstream could help ...

Life-saving medical treatments often come with heavy physiological costs that extend beyond the targeted organ or disease.

The levels of caffeine in your blood could affect the amount of body fat you carry, a factor that in turn could determine ...

Could coffee help to counteract some of the effects of alcohol on the brain, and potentially limit the risk of addiction? That's what's suggested by a new study of how caffeine interacts with the ...

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 ...

Coffee and the caffeine in it can interact with some drugs. Learn more about which drugs you should not take with coffee and when to discuss it with a healthcare provider.

And there are plenty of perks associated with your morning cup—research shows coffee may even slow biological aging. But ...

You may wake up in the morning desperate for a cup of coffee (or four) to kickstart your day. However, a new study says that overdoing it on caffeine may have implications for your heart. The new ...

Were you tossing and turning last night and cursing yourself for the iced caramel macchiato you drank in the late afternoon? Do you worry about the amount of caffeine in a Mountain Dew? Caffeine is ...

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