“My belief in how plant-based nutrition could boost athletic performance while also reducing the strain on the environment was, at the time, considered fringe at best. … Ten years later, it's now common for people to speak of their “plant-based diet.” Even “vegan” is a familiar word, seen on the most conventional restaurants' menus. The importance of avoiding animal products in our diet, whether for heath, physical and mental performance, environmental, ethical, or a combination of these reasons, is now well understood and widely accepted.”