Vitamin D deficiency is a common problem that can lead to a number of serious health conditions, but it can be prevented, says one expert.
People get vitamin D from sun exposure, diet and supplements. Yet vitamin D deficiency is all too common.
In utero and in childhood, not getting enough vitamin D can cause growth retardation, skeletal deformities and increase the risk of future hip fractures. In adults, too little vitamin D can lead to or exacerbate osteopenia, osteoporosis, muscle weakness, fractures, common cancers, autoimmune diseases, infectious diseases and cardiovascular diseases.Holick says that the current recommended adequate intake for vitamin D needs to be increased to 800 to 1,000 international units (IU) of vitamin D3 per day.
The National Institutes of Health Office of Dietary Supplements has more about vitamin D.
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