Both black and green tea offer health benefits, thanks to antioxidants, flavonoids, caffeine, and L-theanine. Black tea ...

A new study reveals that certain caffeine metabolites in urine are linked to diabetic retinopathy risk in men, offering a promising path toward noninvasive biomarkers for early screening and disease ...

Coffee offers health benefits due to powerful antioxidants found in both regular and decaf varieties. While regular coffee ...

The caffeine brought on a "cardiac event" in the teen, the coroner said. — -- The death of a teen who drank caffeinated beverages has spotlighted the possible dangers of caffeine. Davis Allen ...

From the first sip of morning coffee to the afternoon energy drink, caffeine has become deeply ingrained in the daily routines of billions. Its ability to ward off fatigue and sharpen mental acuity ...

Caffeine offers some real health benefits—but not if you go overboard. Here’s how coffee, energy drinks, and other caffeine products can affect your health. America's favorite drug is caffeine, ...