New Study Suggests if Everyone Went Vegan, We Could Save 8.1 Million Human Lives per Year Written by PETA | March 24, 2016 It’s not just animals who would benefit from a vegan world. According to a new study published in the Proceedings of the National Academy of Sciences, by 2050, we could be saving 8.1 million human lives per year just by leaving animal-derived foods out of our diets. Researchers led by Dr. Marco Springmann at the University of Oxford studied the impact tha