Aubrey Lewis' paper on health as a social concept reconsidered in the light of today.

This article presents a speech by Barbara Wootton delivered at the Quarterly Meeting of the Royal College of Psychiatrists in London, England on November 18, 1976. She discusses the contributions of Aubrey Lewis to psychiatry and in particular she examines Lewis' research on health as a social concept in the light of recent developments in psychiatry. She praises Lewis for making a sensible and measurable definition of health and its application in understanding mental illness.