In the study, they found that elderly people who drink four cups of tea a day, the risk of developing symptoms of depression is 44% lower than those who drink no more than one daily cup.
The experiment took part in a little over a thousand people. 488 respondents reported that they drink every day for more than four cups of green tea, 284 respondents - two or three cups, and 286 - one or less.
Scientists believe that the protective properties of green tea gives the amino acid theanine, which has a calming effect on the brain.
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