Disclosure: I love tea.
Maybe it is the ritual. Maybe it is the promise of long life and tranquility.
Tea is leaves from the plant Camilla Sinensis. Black tea is from leaves which are bruised and fully oxidized whereas green tea leaves are fresh. In the western parts of the world, such as US and Europe, black tea is prevalent, whereas in the east, green tea is preferred.
Tea is of health interest because it is epidemiologically associated with long life and wellness. It is known to be rich in antioxidants like polyphenols and catechins. Studies to establish a reliable link and a mechanism for cancer prevention are ongoing, but to date, quality research has been inconclusive. There is speculation that studies have been inconclusive since quality and type of tea and methods of tea preparation have varied.
For the full details, click here for an authoritative article from the National Cancer Institute.
Nonetheless, authorities agree that tea is a relatively healthful beverage. At the very least, it provides antioxidants, hydration, and a welcome break in the day.
As always, caffeine consumption should be considered, especially for pregnant women, who should limit themselves to one caffeinated cup per day.
I prefer an organic green decaf matcha power, which I mix with a whisk. However, I also take an organic decaf Earl Grey when I am feeling British.