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Friday, November 4, 2011

New info on tanning

11-4-11: Seems that there might be a new mechanism of protection from dangerous UVA light. Check this out:http://www.blogger.com/img/blank.gif

"The studies show that melanin production can be measured in human skin cells within an hour of UV exposure. That’s key because melanin doesn’t just make the skin darker. It also protects the skin by absorbing ultraviolet radiation and converting it to a less harmful energy in the form of heat.

“We hypothesize that the early melanin production triggered by rhodopsin activation provides a first line of defense against ultraviolet light-induced damage,” Oancea says. “If this is the case, then this pathway and its protective capacity should be taken into consideration in the design and use of broad-spectrum sunscreens.”

You can read more about it here.

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