Identical twins Hugo and Ross Turner have submitted themselves to become a pair of human guinea pigs and investigate whether a vegan diet is healthier than eating meat and dairy. The Turner brothers are typically seen adventuring around the world, but the pair have recently been using their credentials as genetically identical twins for the benefit of science. As part of a recent study at the Department of Twin Research & Genetic Epidemiology at King's College London, the twins followed two distinctly different diets for 12 weeks: Hugo ate strictly vegan food, while Ross continued to eat meat and dairy...