Caffeine protects mice from skin cancer when it’s rubbed onto their skin, and if you find yourself on a beach without sunscreen, it may do the same for you. The results were almost as good using green tea. Scientists have also found that mice were almost as protected when they drank the coffee instead. Researcher Allan Conney thinks it may be better for people to use a lotion with caffeine in it because “It may not be possible for humans to swallow enough without side-effects.”
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