Humans are not well adapted to live in modern cities—and this may be having a big impact on our health and wellbeing. This is the claim of evolutionary scientists from Loughborough University, England and the University of Zurich, Switzerland who say “rapid industrialization” has reshaped human habits so dramatically that our biology may no longer be able to keep up. Living in unsuitable environments like populated and polluted cities—along with our disconnection from nature—could be having a