It is now confirmed that there is vitamin D deficiency or in medical doublespeak, vitamin D insufficiency. In addition to this almost 90% of U.S. children are chronically deficient in vitamin D. There are several reasons why children becomes deficient in this vitamin. Kids who are supposed to be outdoor playing, and receiving the health benefits of sunlight, spends too much time in front of computer, watching television, playing game consoles.
Read more on the link below.
Link: Vitamin D Deficiency Reveals an Instant Health Care Ref