Vitamin D deficiency is pretty widespread even in extremely 'sunny' countries such as Australia ... http://www.abc.net.au/science/articles/2012/06/12/3522708.ht

Vitamin D deficiency is pretty widespread even in extremely 'sunny' countries such as Australia ... http://www.abc.net.au/science/articles/2012/06/12/3522708.htm http://www.abc.net.au/science/articles/2012/06/12/3522708.ht...