Check out this AOL/Huffington Post video which talks about the ways sitting practice can help with people who suffer pain or even chronic pain from things like surgery and chemotherapy: http://www.huffingtonpost.com/2013/01/29/meditation-benefits-pain-relief_n_2535181.html?utm_hp_ref=gps-for-the-soul&ncid=edlinkusaolp00000009