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Alternate Name(s): Osteomalacia in children; Vitamin D deficiency; Renal rickets ... Vitamin D may be absorbed from food by the intestines or may be produced by the skin when the skin is exposed to sunlight. In its active form, vitamin D acts as a hormone to regulate calcium absorption from the intestine and to regulate levels ...
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www.nlm.nih.gov/medlineplus/ency/article/000344.htm#Cau...
www.nlm.nih.gov/medlineplus/ency/article/000344.htm#Causes,%20incidence,%20and%20risk%20factors
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Lack of sunlight and obesity are the most common causes of vitamin D deficiency. Symptoms can be aching bones and muscles.
http://www.chacha.com/question/what-causes-vitamin-d-de...
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Vitamin D deficiency can be caused by lack of exposure to the sun. Our culture and lack of outdoor activity has led to an increasing risk of being deficient in this important vitamin. Mal absorption also can cause a deficiency and will requ...
http://answers.ask.com/Health/Diseases/what_causes_vita...
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Causes of Vitamin D deficiency including triggers, underlying medical cause of Vitamin D deficiency, risk factors, and what causes Vitamin D deficiency. ... Types of Vitamin D deficiency...
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www.wrongdiagnosis.com/v/vitamin_d_deficiency/causes.ht...
www.wrongdiagnosis.com/v/vitamin_d_deficiency/causes.htm
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Summary Overview: Vitamin D deficiency ... Types of Vitamin D deficiency ... Complications of Vitamin D deficiency...
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www.wrongdiagnosis.com/v/vitamin_d_deficiency/symptoms....
www.wrongdiagnosis.com/v/vitamin_d_deficiency/symptoms.htm
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Symptoms and Health Risks of Vitamin D Deficiency ... Causes of Vitamin D Deficiency ... Symptoms of bone pain and muscle weakness can mean you have a vitamin D deficiency. However, for many people, the symptoms are subtle. Yet even without symptoms, too little vitamin D can pose health risks. Low blood levels of the vitamin...
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www.webmd.com/diet/vitamin-d-deficiency
www.webmd.com/diet/vitamin-d-deficiency
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Knowing what causes vitamin D deficiency is the best way to prevent it. Unfortunately, the path to discovery is not all that simple. However, what causes vitamin deficiency might be the same that causes certain illnesses.
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vitamins.lovetoknow.com/What_Causes_Vitamin_D_Deficienc...
vitamins.lovetoknow.com/What_Causes_Vitamin_D_Deficiency
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Introduction; Reference Intakes; Sources of Vitamin D; Vitamin D Intakes and Status; Vitamin D Deficiency; Groups at Risk of Vitamin D Inadequacy; Vitamin D and Health; Health Risks from Excessive Vitamin D; Interactions with Medications; Vitamin D and Healthful Diets; References;
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ods.od.nih.gov/factsheets/vitamind.asp
ods.od.nih.gov/factsheets/vitamind.asp
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Vitamin D deficiency among hospitalized patients may be more widespread than realized. ... Patients with severe vitamin D deficiency and hypocalcemia present with classic findings of neuromuscular irritability, including numbness, paresthesias, muscle cramps, ... Causes and Management of Vitamin D Deficiency...
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www.aafp.org/afp/20050115/299.html
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