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HOW VITAMIN D DEFICIENCY CAN AFFECT THE HUMAN BODY

Vitamin D deficiency – when the level of vitamin D in your body is too low – can cause your bones to become thin, brittle or misshapen.

Vitamin D also appears to play a role in insulin resistance, high blood pressure and immune function – and this relates to heart disease and cancer – but this is still being investigated.

Low levels of the vitamin have also long been linked to an increased risk of multiple sclerosis. 

Although the amount of vitamin D adults get from their diets is often less than what's recommended, exposure to sunlight can make up for the difference. 

For most adults, vitamin D deficiency is not a concern. 

However, some groups – particularly people who are obese, who have dark skin and who are older than age 65 – may have lower levels of vitamin D due to their diets, little sun exposure or other factors.

Source: Mayo Clinic 

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