<http://schema.org/about>
"There\u2019s been a lot of talk about the benefits of probiotics or \"healthy bacteria\" but what are prebiotics? Why haven\u2019t you heard about them &amp; do you need them?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/health/fitness-well-being/questions/what-are-prebiotics-and-do-we-need-them>