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The Conversation USA

Why you need more Vitamin D in the winter

  • Written by Margherita T. Cantorna, Distinguished Professor of Molecular Immunology, Pennsylvania State University
Vitamin D is sometimes called the sunshine vitamin. FotoHelin/Shutterstock.com

Winter is upon us and so is the risk of vitamin D deficiency and infections. Vitamin D, which is made in our skin following sunlight exposure and also found in oily fish (mackerel, tuna and sardines), mushrooms and fortified dairy and nondairy substitutes, is essential...

Read more: Why you need more Vitamin D in the winter

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