Over the past couple of years, a tremendous amount of new research has come out extoling the benefits of Vitamin D. Previously thought to be a simple vitamin, research is now showing that it has tremendous ramifications on our health. It's long been known to help keep bones strong and prevent things like rickets. However, evidence is mounting that it is an essential nutrient for warding off cancer, tuberculosis, hypertension, diabetes, colds, flu etc.
This NBC news video gives a good summary of why we should all pay attention to Vitamin D.