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

A buzzy new ingredient is being marketed as a better-for-you caffeine alternative that offers an energy boost without any ...

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

For most people, consuming some caffeine is harmless — but too much can be dangerous. Recent news coverage has raised questions about the amount of caffeine in some popular drinks and what consumers ...

LMNT reports that caffeine blocks fatigue signals without creating energy, enhancing focus by stimulating neurotransmitters.

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 ...

TAMPA BAY, Fla (BLOOM) – Feeling groggy when you wake up? You might think grabbing a cup of coffee right away is the best way to jump-start your day. But did you know there’s a better way to time your ...

Caffeine, a widely consumed psychoactive substance found in coffee, tea and numerous beverages, exerts its primary effect through non‐selective antagonism of adenosine receptors. By blocking adenosine ...

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

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 ...

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