<http://schema.org/alternativeHeadline>
"One study compares low-fat, low-carb and low-glycemic diet plans. You might be surprised to know which one works best in the long run."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/food/healthy-eating/blogs/what-is-the-best-long-term-diet-plan>