Nutrition
Excess Vitamin A
Excess Vitamin D
Vitamin D deficiency
Vitamin K deficiency
Kwashiorkor
Marasmus
Iodine deficiency
Zinc deficiency
Beriberi
Folate (Vitamin B9) deficiency
Niacin (Vitamin B3) deficiency
Vitamin B12 deficiency
Vitamin C deficiency
Wernicke-Korsakoff syndrome
Fat-soluble vitamin deficiency and toxicity: Pathology review
Water-soluble vitamin deficiency and toxicity: B1-B7: Pathology review
Zinc deficiency and protein-energy malnutrition: Pathology review
Vitamin D deficiency
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2020
2019
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2016
vitamin D deficiency p. 68
hyperparathyroidism p. 474
osteomalacia/rickets p. 473, 473
Vitamin D deficiency, also known as hypovitaminosis D, is a condition resulting from insufficient levels of vitamin D in the body. It can be caused by inadequate sunlight exposure, dietary intake, or medical conditions that impair vitamin D absorption or conversion. The deficiency can cause a range of symptoms, including bone pain, muscle weakness, fatigue, and an increased risk of fractures, and can lead to bone-softening diseases like rickets in children and osteomalacia and osteoporosis in adults. The treatment for vitamin D deficiency usually involves vitamin D supplementation and addressing the underlying cause.
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