Author Toni Bernhard, who is house-bound and often bed-bound, says she's learned to cultivate joy through others. Courtesy of Wisdom Publications hide caption

itoggle caption Courtesy of Wisdom Publications

High school players will experience more than 40,000 concussions this season. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Severe mental illness among college students has increased dramatically over the last ten years.  The most common problem is anxiety and depression. Allison Rose/iStockphoto.com hide caption

itoggle caption Allison Rose/iStockphoto.com