Deficiency of Vitamin D, causes Asthma. The best way to get Vitamin D is to roam in the sun. It is the cheapest and best way to get Vitamin D. Those who have asthma, should take a walk in the sun for half hour daily.
Deficiency of Vitamin D, causes Asthma. The best way to get Vitamin D is to roam in the sun. It is the cheapest and best way to get Vitamin D. Those who have asthma, should take a walk in the sun for half hour daily.