Tea may lower anxiety and blood pressureAFP Relax – Fri, Nov 2, 2012
A new study supports prior evidence that tea can not only reduce blood pressure but calm anxiety, despite its caffeine content.
Japanese researchers tested two compounds found in tea -- L-theanine, the amino acid contained in tea leaves, and caffeine -- and their effect in the body when under stress. They enlisted 14 subjects who underwent three separate trials, in which they took L-theanine and a placebo, caffeine and a placebo, or a placebo only. The subjects were then asked to complete mental activities under varying degrees of stress, such as solving arithmetic questions with their non-dominant hand submerged in a bucket of ice water.
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