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Saturday, September 20, 2014

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Freckles: Evolutionary Advantage or 'Cancer Factories'?

Freckles: Evolutionary Advantage or 'Cancer Factories'?

FORA.tv (May 30, 2013) Throughout the history of Homo sapiens, skin pigmentation has been a highly labile trait, and similar skin tones have evolved independently numerous times. Skin pigmentation results from an evolutionary compromise between the conflicting demands of protection against ultraviolet radiation and production of vitamin D, and represents one of the best examples of evolution by natural selection acting on the human body. Because skin color is one of the most visible of human traits, it has been used as the primary characteristic for classifying people into races. Dr. Jablonski will discuss the history of skin-based race concepts and the meaning of skin color in the modern world, including its implications for health.
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Pull Anti-Inflammatory Drug From Market, Experts Urge

Pull Anti-Inflammatory Drug From Market, Experts Urge

CBC (Feb. 12, 2013) Canadian and British researchers are calling for the anti-inflammatory diclofenac to be pulled from the market worldwide because of its heart risks.
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last updated on 2014-09-20 at 4:23 am EDT

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