An hour on horseback once a week is more than just fun for Will Hillis. It's therapeutic.
Links:
[1] http://rss.cnn.com/~a/rss/cnn_health?a=hPPhwg
[2] http://rss.cnn.com/~f/rss/cnn_health?a=QTFXaI
[3] http://rss.cnn.com/~f/rss/cnn_health?a=mZD4EI
[4] http://rss.cnn.com/~f/rss/cnn_health?a=eolVYi
[5] http://rss.cnn.com/~f/rss/cnn_health?a=j4MjRI
[6] http://rss.cnn.com/~f/rss/cnn_health?a=vt1nzi