Want, Idleness, Ignorance, Squalor and Disease: these were the five "giants" identified by Sir William Beveridge in his wartime report that laid the foundation  for the postwar welfare state. He omitted a sixth that is less viable yet as old as civilisation: loneliness. Isolation inflicts a heavy psychological burden, especially on the elderly. It also has financial costs, in worsening ill health. An innovative scheme in Rotherham suggests how these can be reduced. Health administrators in the town have since 2012 allocated about £500,000 a year to community groups to help vulnerable patients to join them. It works, for patients and health budgets. GPs direct patients to activities such as yoga, fitness classes or the arts, or counseling for those with financial or welfare problems. This sort of social prescribing reduces the pressure on medical services. Analysis by Sheffield Hallam University suggests that by reducing A & E visits, hospital stays and GP appointme...