Vitamin D Deficiency - Disorders of Nutrition - Merck Manuals …
https://www.merckmanuals.com/home/disorders-of-nutrition/vitamins/vitamin-d-deficiency
WebVitamin D deficiency is most commonly caused by a lack of exposure to sunlight. Some disorders can also cause the deficiency. The most common cause is lack of exposure to sunlight, usually when the diet is deficient in vitamin D, but certain disorders can also cause the deficiency. Without enough vitamin D, muscle and bone weakness and pain occur.
DA: 86 PA: 26 MOZ Rank: 96