Fast Five Quiz: Vitamin D Deficiency

Romesh Khardori, MD, PhD


July 10, 2023

Low levels of the fat-soluble vitamin D, critical to calcium homeostasis and bone metabolism, are common in children and adults. Subclinical vitamin D deficiency has a worldwide prevalence of up to 1 billion across developed and developing countries. Even subclinical vitamin D deficiency is associated with osteoporosis and increased risk for fragility fractures and falls. Many recent studies, some conflicting, show associations between vitamin D deficiency and various maladies.

Are you aware of the sunlight amount necessary to prevent a vitamin D deficiency, as well as recommended dietary intake and diagnostic best practices? Test your knowledge with this quick quiz.


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