Researchers advise against all-over sun tan

Researchers from the University of Edinburgh say it's physically impossible. They say there's different skin on various parts of the body, which all respond differently to sunshine.

For example: they found that the rear end doesn't tan as darkly as the back when exposed to equal doses of UVB sun rays.

Just another reason to use lots of sunblock and let self-tanners do the work for you.

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