Hi. I'm relatively new here, this my first post to this forum. I just wanted to ask one thing I've been struggling lately. Where I come from violence is not an issue, but of course it's fun to learn self protection against violence, that's why I'm learning karate. But in western world number one killer is cardiovascular diseases, not a criminal violence. I'm a sceptic and critical thinker and just like my karate I want my lifestyle be practical and working. I just hate all kind of pseudoscience b...sh.. But in martial arts these healthy lifestyles are quite often ignored. For example, there might be some extremely great martial artists who seems to be very strict about paleo- keto- vegan- or whatever diet and no argues is allowed. Or some perhaps not so science-based medicine is practised. How do you deal whit these, what I call McDojos of food and health industry? How common are those in martial arts?