Best of luck, Dennett. Stress is definitely involved in medical issues. Yoga is a definite help with stress. You may find the following youtube video interesting research. It is done by Dr Gabor Mate. He is a psychologist from Vancouver. This video is about the connection between stress and chronic diseases. Very interesting. https://www.youtube.com/watch?v=Rik5E7wey0w

Best of luck with your health.