Tea is unlikely to dehydrate you when consumed in moderate quantities. However, drinking more than eight cups at once can ...

One cup of tea, by contrast, only contains 30 to 50 mg of caffeine. "Generally speaking, coffee has two to three times more caffeine compared to a similar-sized black tea," says Matthew Chow ...

The caffeine content in coffee beans can range from 1.1 to ... This makes each coffee unique, just like the different types ...

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 ...

If soda is your vice, swap out your caffeinated cola for a caffeine-free variety. Same goes for tea: While green, white, ...

Green tea offers a mild caffeine boost with antioxidants, promoting brain health and aiding weight loss, and contains less ...

For many, a caffeine fix is key to starting the day – we explain the biological changes that begin with that morning tea or ...

This popular drink has a beloved flavor and impressive health benefits, but it might not be best right before bed.

I drank green tea for 30 days and experienced three life-changing benefits, including better focus and less anxiety.

Getting your Trinity Audio player ready... Millions of people consume coffee or tea, with some even enjoying multiple cups of these caffeinated beverages daily. Coffee is known to perk a person up in ...

"It's a very pleasant beverage to drink, and it hits all the right notes as a caffeinated beverage," one expert says. Unlike ...

Green tea has different ratios of caffeine depending on the type. Learn about high-caffeine coffee alternatives and decaf ...