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FreshJive · 08-15-2011, 05:18 PM

Your body makes more vitamin d from direct sun exposure than you can eat. Windows block this effect. Of course the sun causes skin cancer, but vitamin d deficiency is linked to many other forms of cancer.

08-15-2011, 05:18 PM	#71
FreshJive Diamond Member Join Date: Jul 2003 Posts: 5,473	Your body makes more vitamin d from direct sun exposure than you can eat. Windows block this effect. Of course the sun causes skin cancer, but vitamin d deficiency is linked to many other forms of cancer.