A member asked:

What would cause myself and both of my kids to have vitamin d deficiency?

A doctor has provided 1 answer
Dr. Robert Killian answered

Specializes in General Practice

Vitamin D Deficiency: You live in a place where there is not enough exposure to the sun at the right angle to get vitamin d naturally. Most of your neighbors are also vitamin d deficient here in michigan as well.

Answered 11/8/2013

4.8k views

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