In the UK, where tea drinker imbibe 100 million cups every day, according to the UK’s Tea Advisory Panel, the beverage remains part of the nation psyche – despite a growing preference for lattes, espresso and flat whites.
Even in the United States, long a coffee-donated country, tea drinking is growing in popularity, with the country consuming 0.4 kilograms (14 ounces) of tea leaves per person a year compared with 0.36 kilograms (12.7 ounces) in 2007 according to the United Nations, as people switch away from soda, milk and fruit drinks.
Scientists are beginning to look into just how tea might affect mood and cognition. Specially, they’re investigating whether it’s relaxing and alerting effects are a direct biological outcome of the compounds in tea or whether they come from the context in which the drink is consumed – preparing your brew, choosing your favorite cup and sitting down for a brief respite from the world. Or both.
Green, oolong and black tea come from the same plant – Camellia sinensis. Green tea, however, is processed n a different way, which results in higher levels of some of the compounds that scientists believe have positive effects on our mental health.