23 Facts About the Immune System and 14 Ways to Strengthen it [Slideshow]

September 13 2012 | Body System Health | Immune Health | Respiratory Health

The immune defense system is the most diverse and fascinating of all the body systems. It's extremely complex and intricate. To help support your immune system, it's important to understand first how it works and the natural ways your body fights off disease and foreign invaders.


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