Housman & Dorman 2005, pp. 303–304. "The linear model supported previous findings, including regular exercise, limited alcohol consumption, abstinence from smoking, sleeping 7-8 hours a night, and maintenance of a healthy weight play an important role in promoting longevity and delaying illness and death." Citing: Wingard, D. L.; Berkman, L. F.; Brand, R. J. (1982). "A multivariate analysis of health-related practices: a nine-year mortality follow-up of the Alameda County Study". Am J Epidemiol. 116 (5): 765–775. doi:10.1093/oxfordjournals.aje.a113466. PMID7148802.
Housman & Dorman 2005, pp. 303–304. "The linear model supported previous findings, including regular exercise, limited alcohol consumption, abstinence from smoking, sleeping 7-8 hours a night, and maintenance of a healthy weight play an important role in promoting longevity and delaying illness and death." Citing: Wingard, D. L.; Berkman, L. F.; Brand, R. J. (1982). "A multivariate analysis of health-related practices: a nine-year mortality follow-up of the Alameda County Study". Am J Epidemiol. 116 (5): 765–775. doi:10.1093/oxfordjournals.aje.a113466. PMID7148802.