...but not enough, says BlogHer (http://blogher.org/node/15006). Yoga is a great way to work with PTSD, but the Veteran's Administration isn't wholeheartedly behind it yet. Only two classes in the country are specifically designed for returning vets.
In Boston: http://www.socialweb.net/Events/52675.lasso
In Santa Cruz: http://www.vetshall.org/classes.htm