I've seen quite a few questions that have asked about accomodating martial arts practice to various medical conditions:
- What are good martial arts for aging bodies?
- Should I learn karate if I had a slip disc problem in past?
- If I'm worried about concussions, should I train tae kwon do, or karate, or neither?
Most of the answers have included the caveat that we're martial artists, not health professionals. Perhaps I'm just overly anxious, but I wonder if it wouldn't be wise to create a medical-advice tag and the tag wiki would contain the "official" warning. When moderators see a question or answer that touches on medical advice, we could apply the tag to remind folks that MA:SE makes no claim to provide medical diagnosis, prescription or advice. I don't think that any of us have stepped over the line, nor do I expect anyone to. But I think that a standard procedure can help to ensure clear presentation.
Aside: I think part of the problem is that these questions fit into a very sweet spot; they are intrinsically "situations you face", and medical issues are objective and have objective answers.