People with serious ailments should be under a physician's care. The response of ailments to yoga asana and breath work has varied widely in the research. I refer here to articles that tell us what has worked, rather than what hasn't. A serious investigation of any medical ailment should include a talk with your doctor and a search of the National Library of Medicine and the National Center for Biotechnology information at http://www.ncbi.nlm.nih.gov .