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.
More information
The National Institutes of Health Office of Dietary Supplements has more about vitamin D.
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