<http://schema.org/description>
"Your immune system is your defense against disease. Its many different parts need to work in balance and harmony to protect our bodies from harmful germs and viruses; in essence to attack and destroy any they find."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2012-05-boost-immune-healthy-lifestyle.html>