Vitamin D deficiency

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Vitamin D deficiency. Vitamin D is essential to the human body, and the main source is sunlight rather than foods.

Function[edit | edit source]

Vitamin D is needed to create red blood cells, which carry oxygen around the body.

Deficiency[edit | edit source]

Vitamin D deficiency can cause complex medical problems, and because vitamin D cannot be absorbed from sunlight shining through windows, people who are mostly or totally housebound are particularly at risk of Vitamin D deficiency.[citation needed]

Signs and symptoms[edit | edit source]

Vitamin D deficiency can cause:

Treatment[edit | edit source]

ME/CFS[edit | edit source]

Notable articles[edit | edit source]

See also[edit | edit source]

Learn more[edit | edit source]

References[edit | edit source]