Thought this was worth reposting…
”To make the required amount of vitamin D3 each day, would sun dwellers actually need full sun, for sufficient UV to penetrate the armour? ”…
http://www.uvguide.co.uk/skintests.htm
”To make the required amount of vitamin D3 each day, would sun dwellers actually need full sun, for sufficient UV to penetrate the armour? ”…
http://www.uvguide.co.uk/skintests.htm
