The traditional approach to health care takes “a purely anthropocentric view — that the human being is the centre of medical attention and concern,” the Lancet declares, whereas One Health “places us in an interconnected and interdependent relationship with non-human animals and the environment.” In its revolutionary proposal, the Lancet suggests that the life of a human being is not necessarily worth more than the life of any non-human animal One Health demands that we take a fundamentally different approach to the natural world, the journal contends, “one in which we are as concerned about the welfare of non-human animals...