Coffee and teach each come with more varieties, names and preparation methods than there are stars in the sky.

To keep it simple, black tea is fermented, green tea is non-fermented, and oolong tea is semi-fermented. Matcha is a powdered ...

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 ...

Or do you prefer a slightly less caffeinated nudge from a warm and gentle cup of tea? Whatever your preference, scientists have found that regularly drinking coffee or tea can provide a variety of ...