Monday, June 22, 2009

New Scientist: 'Grey hair may be protecting us from cancer'

Japanese researchers suggest the process that produces grey hair may be protecting us from cancer. (New Scientist) Hair color is maintained by cells called melanocytes, which are created by stem cells. As we age, the stem cells eventually, permanently turn into melanocytes (perhaps when their DNA is mutated), no longer capable of creating more melanocytes.

"A cancer researcher at Harvard Medical School, suggests such processes may help protect us from cancer, by discouraging the proliferation of stem cells with damaged DNA, which could pass on mutations."

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I started pound360 to channel my obsession with vitamins, running and the five senses. Eventually, I got bored focusing on all that stuff, so I came back from a one month hiatus in May of 2007 (one year after launching Pound360) and broadened my mumblings here to include all science.