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29 April 2010

MS Probably Not Hereditary

A new twin study finds no evidence of a genetic cause of MS. In three sets of identical twins, one got MS, while the other did not. No gene activity that could explain the MS differed in any of the sets of twins.

Another recent animal study has suggested the ultra-violet light itself, rather than Vitamin D production arising from exposure to sunlight, may have a protective effect, and that lack of light exposure may be one of the environmental factors behind MS.

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