
In a study done at the Harlem Hospital Center in New York city, dermatologists found that green tea protects against UVA induced skin damage in mice. A green tea polyphenol extract was applied topically to the mice before they were exposed to light radiation that usually causes redness, inflamation and skin damage including lesions and thickening up to two weeks after the exposure. The green tea extract reduced the inflamation by 70% and the skin thickening by over 90%. And what's more, even when the green tea was topically applied to the skin after the exposure, it still provided "significant protection from skin damage". Even when they added green tea to the drinking water of the mice up to week before the exposure to the UV rays it still protected the mice!
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