one eight-ounce cup of green tea contains around 30 to 50 milligrams of caffeine, compared to 80 to 100 milligrams in an ...

One of the main reasons it might be worth switching to tea is its lower caffeine content. Caffeine can sharpen focus and ...

while green tea led to a 27 percent reduced risk. There was no link between drinking three or fewer cups of coffee and stroke. The researchers noted that excessive coffee drinking may have such a ...

Drinking coffee and tea might not just perk you up but also lower the risk of head and neck cancers, according to global ...