Melanoma alert: keep your bum out of the sun

A recent study conducted by the University of Edinburgh found that of all parts of your body, those which tan the most ineffectively are the buttocks.

"The findings, published in the journal Experimental Dermatology, show that the buttock is much more resistant to sunshine," says the University of Edinburgh press release. "But when it does go red it tans less well than other areas."

"The fact that different types of skin cancer tend to be found in different parts of the body has long puzzled scientists, given that they are all caused by exposure to sunshine," the release continues. "The team aimed to identify whether this is linked to variations in the way different parts of the body develop a tan."

So be warned; the next time you're tempted to moon at the sun, don't forget the high-factor sunblock...