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

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 ...

This type of tea takes the cake for the highest antioxidants, but check out these other dietitian-recommended options for specific health benefits.

A doctor explained safe guidelines for limiting your daily consumption, whether you're drinking coffee, tea, energy drinks or ...

Oct. 4 at 6:05 a.m. Do you start your mornings with a potent dose of caffeine from a freshly brewed ... nudge from a warm and gentle cup of tea? Whatever your preference, scientists have found ...

Caffeine was widely used by ancient civilizations. It was traditionally consumed from natural sources like tea, coffee, cacao beans and cola nuts and appreciated for its stimulating effects on the ...

The newly discovered substance was dubbed "caffeine," meaning something found in coffee. Then, in 1838 chemists discerned that the effective ingredient in tea was ... a large black dog sleeps ...

Your morning cup of joe could protect against type 2 diabetes, coronary heart disease, stroke, and other cardiometabolic ...

To determine whether reported improvements in brain function for older adults are solely due to caffeine in green tea or whether other components play a role, ITO EN researchers led a double-blind ...

A lot of this boils down to the caffeine ... tea tasty and refreshing, but it's a helpful way to subtly curb your appetite if you're experiencing frequent hunger pangs. This box from Bigelow ...

You'll also find amenities like leather reading chairs, writing desks, feather-topped beds, C.O. Bigelow toiletries ... the lack of in-room caffeine, free coffee and tea are served each morning ...