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

Such as: L-theanine for relaxation and concentration Green tea contains L-theanine, an amino acid that has a calming effect ...

Caffeine, found in coffee, tea, cola, chocolate, and energy drinks, affects the body in several ways. It stimulates the brain ...

Research reveals how your daily coffee could be amplifying anxiety symptoms, with genetic factors determining who's most at ...

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

Coffee and matcha are both known for their energy-boosting benefits. However, they also offer an array of health benefits.

Nutrition experts agree that these teas are some of the best for improving sleep quality. Some sleep-promoting teas ...

Author Maria Goldbach gave up coffee for a month and drank green tea instead. Find out here what makes the change so healthy.

Consuming caffeine on an empty stomach can lead to acid buildup and bloating, as there is no food to absorb the acid. Try ...