... Likewise, people who wear clothing that covers much of their body — such as dresses, robes, or head coverings — or who spend most of the time inside have an increased risk of vitamin D deficiency, because UV rays are needed to make vitamin D.Older people may have low vitamin D levels because as we age, our bodies may not produce as much vitamin D when ...
Vitamin D and HIV: What’s the Connection?
... Likewise, people who wear clothing that covers much of their body — such as dresses, robes, or head coverings — or who spend most of the time inside have an increased risk of vitamin D deficiency, because UV rays are needed to make vitamin D.Older people may have low vitamin D levels because as we age, our bodies may not produce as much vitamin D when ...