<http://schema.org/alternativeHeadline>
"Gratitude is the cornerstone of Thanksgiving, but according to a growing field of research, it's also an important building block for mental and physical health."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/health/fitness-well-being/blogs/5-ways-being-thankful-can-improve-your-life>