Too much caffeine can make you a worse driver — not a better one! Most drivers grab a coffee or energy drink before a long ...

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 ...

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

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

Using psychoactive substances for recreation, socialization or symptom self-management is common for many people living with ...

Six cups of coffee may be what you need to power through memorial Day weekend, but you probably don't want to drink a bucket ...

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

Among the many stars above the age of 40 who don't make caffeine part of their diet (and are perfectly fine) are Jennifer ...