Vitamin D Deficiency is Why You Get Flu!

A new study has confirmed that vitamin D plays an important role in activating your immune defenses against infectious diseases like the flu.

Vitamin D deficiency has already been linked to a wide spectrum of diseases including heart disease, cancer, diabetes, depression, autoimmune disease and many others.

The new study discovers that activation of T-cells to fight infections needs definite help from vitamin D. When a T cell recognizes foreign invaders like bacteria or viruses, it sends activating signals to the vitamin D receptor gene. The VDR gene then starts producing DVR protein, which binds vitamin D in the T cell.  Then the vitamin D bound and activated DVR produces PLC-gamma1 protein — which allows the T cell to get started fighting the infection.

Dr. John Cannell has also reported that vitamin D helps produce antibacterial peptides that help protect against the flu. That is why in winter, when there is little sunshine, people are more prone to vitamin D deficiency and getting infected with flu viruses.


  Food Consumer March 7, 2010

  Nature Immunology March 7, 2010 [Epub ahead of print]

  Eurekalert March 3, 2010

  Reuters March 7, 2009

  American Journal of Clinical Nutrition March 10, 2010 [Epub ahead of print]

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Posted: 03/25/2010 at 07:21 AM
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Posted: 03/25/2010 at 07:21 AM
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