Some foods can give you an instant caffeine boost, all without the dreaded crash afterward.

A genetic study reveals that it is not coffee itself, but how long caffeine remains in the blood, that influences the risk of diabetes.

Caffeine can boost your brain or break your rhythm — the difference lies in timing. Caffeine is one of the most widely consumed psychoactive substances globally, with approximately 85% of the U.S.

It’s official: No matter how crowded the store shelves and bodega fridges get, we’re all still very thirsty. But not just for water—flavored water, immunity-boosted water, protein-enhanced water, ...