New research shows that sleep loss alters specific memory circuits, but also hints that a familiar compound may help restore ...

Add Yahoo as a preferred source to see more of our stories on Google. Pouring coffee We already know that the stimulating powers of caffeine make it an unsuitable choice for a late-night drink – at ...

Researchers found that caffeine may help reduce the effects of sleep deprivation.

It is estimated that as many as 80 percent of all people partake in the world's most common psychoactive substance, caffeine. People enjoy soda, tea, or coffee, not only because of the taste, but for ...

Get unlimited access to ad-free articles and exclusive content. LiveScience Honeybees, like tired office employees, like their caffeine, suggests a new study finding that bees are more likely to ...

If you rely on a cup of coffee to jolt you awake in the morning or get you through an afternoon slump, you’re not alone. Four out of every five adults consume caffeine daily. Your caffeine intake ...

I recently stopped drinking coffee. Yeah, I know, why would anybody do that? For me it was a combination of health-related reasons, and overall I can say I’m happy I did. If you had asked me a few ...

Athletes of all performance levels regularly consume over-the-counter energy drinks containing caffeine and other so-called cognitive enhancing nutrients (usually sugar, some vitamins, and a mixture ...

Caffeine is a stimulant found naturally in beverages like coffee and tea. It’s also added to others, such as energy drinks and soda. Caffeine increases chemicals in your brain that improve mood, ...