title: Humans have always tried to improve their condition.
authors.forename: John
authors.initials: J
authors.lastname: Harris
authors.forename: Muireann
authors.initials: M
authors.lastname: Quigley
mesh_terms: D024803:Biomedical Enhancement / Q000941:ethics*; D003071:Cognition / Q000187:drug effects; D004560:Electricity; D005139:Eyeglasses / Q000706:statistics & numerical data; D006802:Human Activities / Q000941:ethics*; D006801:Humans