Comparing the caffeine content of black tea and coffee isn't as simple as you might expect. Here's what you should know in ...

Coffee can cause symptoms like anxiety and jitteriness. Fortunately, you can enjoy other caffeinated and non-caffeinated ...

Green tea contains L-theanine, an amino acid that has a calming effect and can increase concentration at the same time. In ...

Caffeine is almost ubiquitous in everyday life. It is found in the typical morning cup of coffee, in black tea, in cola, in ...

Black tea is like that reliable friend who's always there when you need a pick-me-up. It's packed with caffeine—about 47 mg per 8-ounce cup—which can give you a gentle energy boost.

Maternal tea consumption during pregnancy – particularly in the second and third trimesters – is associated with improved ...

and black teas infused with green tea caffeine, give you the same kick as coffee, but with smoother, more balanced energy,” says Hartmann.

Green tea is widely touted to have a plethora of health benefits, however, many believe that it may adversely affect sleep ...