Surely we know the sun supplies us with an ample supply of vitamin D, the sunshine vitamin. So is it possible lack of sun exposure may cause asthma? We shall investigate the evidence.
John Grever, in his post "Vitamin D Deficiency Linked to Asthma Severity," at Medpage Today reports that most researchers agree that we get little vitamin D from our diets, so we rely on the sun for our vitamin D supply.
However, poor diet can also result in low levels of vitamin D, as the vitamin can...
