What happens when you drink black tea or kai chai daily on an empty stomach? Take a look at the medicinal benefits of this ...

Green tea contains an average of 29 milligrams (mg) of caffeine in an 8-ounce cup, but the amount can vary. Black tea ...

This ancient beverage does more than hydrate—it’s packed with antioxidants and compounds that boost your health, focus, and ...

we explored caffeine intake by three main sources (ie, from black coffee, black tea and soda drinks), (5) we excluded very high caffeine consumers and (6) we assessed the association between maternal ...

L-theanine is also present, in lower concentrations, in black tea. There’s less research on the effects of coffee on stress, but researchers have found moderate to high amounts of caffeine are ...

Black tea has less caffeine than coffee ... theaflavin and thearubigins have been found to help manage hyperlipidemia (high fat in the body, or high cholesterol) and related high-fat disorders ...