They're posh, they're wealthy, less likely to have outdoor jobs, less likely to do manual labor, they have better social support, are less likely to smoke; for a host of fascinating, interlocking social, political and cultural reasons, they're less likely to have wrinkles.
Son elegantes, adinerados, trabajan menos al aire libre, hacen menos labores manuales, tienen mejor asistencia social, fuman menos... por una cantidad de razones sociales, culturales y políticas, fascinantes y entrelazadas, es menos probable de que tengan arrugas en la piel.