Key points are not available for this paper at this time.
John B. McKinlay, Sonja M. McKinlay, The Questionable Contribution of Medical Measures to the Decline of Mortality in the United States in the Twentieth Century, The Milbank Memorial Fund Quarterly. Health and Society, Vol. 55, No. 3 (Summer, 1977), pp. 405-428
McKinlay et al. (Sat,) studied this question.