General practitioner Riccardo Trespidi has been a vegan for 15 years and a vegetarian for 30 years. He works with you on how you can follow a vegan lifestyle if you live in areas where, due to geographical issues, it is difficult to find appropriate foods. He also expresses his opinion about animals that eat each other to survive. He is the author of the book “Medicina non violenta. Scienza della nutrizione etica” (Nonviolent medicine. Science of ethical nutrition, 13 Lab Edition Ltb), president of the Association for Nonviolent Medicine and founder of Scienza della Nutrizione Etica (Science of Ethical Nutrition) as well as of Healers of Planet Earth (HOPE).