Sunscreen may stop skin cancer, never mind Vitamin D deficiency. Fluoride may help your teeth, except neurotoxicity: http://www.reuters.com/article/2012/07/24/idUS127920+24-Jul-2012+PRN20120724 …
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Sunscreen may stop skin cancer, never mind Vitamin D deficiency. Fluoride may help your teeth, except neurotoxicity: http://www.reuters.com/article/2012/07/24/idUS127920+24-Jul-2012+PRN20120724 …