Sunlight and Low BMI May Help Avoid MS

Danish investigators found a strong protective effect of adolescent summer sun exposure and body mass index (BMI) at age 20 on later onset of multiple sclerosis (MS). Not spending time in the sun every day during the teen years was associated with earlier onset of MS; and similarly, a higher BMI at age 20 was associated…

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Beware of the Tanning Bed!

In 2009 the World Health Organization declared tanning beds to be carcinogens. The industry countered that the UVA1 wavelengths were safer. Research has now found that when small areas of the skin of healthy volunteers was irradiated with either UVB or UVA1 wavelengths, changes to the DNA occurred, strongly suggesting carcinogenic effects of both types…

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