(Slideshow) 7 Ways to boost your immune system

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Get outside

Scientists believe that breathing in an airborne chemical produced by plants -- phytoncide -- can increase the levels of white blood cells in the body, enabling you to fight off infections and diseases. Taking a walk can also reduce your stress levels, which is imperative in boosting your immune system, and boosts your Vitamin D, essential for reducing inflammation, which in turn helps the immune system.

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