From: pautrey on
Summary From:
http://www.physorg.com/news187187075.html

Vitamin D crucial to activating immune defenses

Scientists at the University of Copenhagen have discovered that
Vitamin D is crucial to activating our immune defenses and that
without sufficient intake of the vitamin, the killer cells of the
immune system - T cells - will not be able to react to and fight off
serious infections in the body.