It’s winter in New England, and even though the snow has been elusive, shorter days and more indoor time can put children at risk for vitamin D deficiency.

What is Vitamin D?  Vitamin D is one of the four fat-soluble vitamins (the other three are A, E, and K) available in our diet, which means they can be stored in our bodies and used over time. However, vitamin D is unique since it also behaves like a hormone in the body,

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