we have no need to kill animals for food scientific proof eating animals is not necessary to good health freefromharm.org... no biological need to consume animal products scientific evidence government health experts worldwide eating animals is not a requirement for good health the large body of scientific evidence καμία βιολογική ανάγκη για κρέας, γάλα ή αυγά government health experts worldwide no biological need to consume animal products καμία βιολογική ανάγκη eating animals is not necessary to good health optional eating animals is not a requirement for good health optional eating animals is not necessary to good health the large body of scientific evidence