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Could discovery lead to end of sunburn pain?

The painful, red skin that comes from too much time in the sun is caused by a molecule abundant in the skin's epidermis, a new study shows. Blocking this molecule, called TRPV4, greatly protects against the painful effects of sunburn. The research, which was conducted in mouse models and human skin samples, could yield a way to combat sunburn and possibly several other causes of pain.
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