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Weekly Health Quiz: Infants, Nitrogen and Exercise


This is an older article that may not reflect Dr. Mercola’s current view on this topic. Use our search engine to find Dr. Mercola’s latest position on any health topic.

1 Research shows that if you have enough — a level of 10 percent or more — of the following cells in your body, you will not contract influenza:

  • Red blood cells (erythrocytes)
  • White blood cells (leukocytes)
  • Stem cells
  • Natural killer cells

    Beta-glucans found in mushrooms enhance NK cell activity and function, and research shows that if you have enough NK cells in your system, you will not contract influenza. Learn more.


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