The Knights Templar also had a diet they had to follow. https://www.atlasobscura.com/articles/what-the-templar-knights-ate https://www.atlasobscura.com/articles

The Knights Templar also had a diet they had to follow. https://www.atlasobscura.com/articles/what-the-templar-knights-ate https://www.atlasobscura.com/articles/what-the-templar-knigh... This was the way religions and other orders kept followers healthy whilst trying to minimise disease.