date:Aug 22, 2012
gainst infection, they noted.
That kind of evidence must come from randomized controlled trials comparing two similar populations that either do or do not receive an intervention such as vitamin D supplementation.
Study details
The current study analyzed data from the Blue Sky Study, conducted in Ulaanbaatar, Mongolia, by a team led by Harvard investigators in collaboration with local health researchers.
Mongolians are known to be at high risk for vitamin D deficiency, especially during wint