• C E Lewis and M A Lewis.
• N. Engl. J. Med. 1977 Oct 20; 297 (16): 863869863-9.

AbstractThere are major differences between the sexes in morbidity and mortality rates. At all ages males have higher death rates and are more frequently afflicted with the chronic diseases associated with considerable reductions in longevity. Trend data indicate that males have become relatively more disadvantaged during a period characterized by major advances in medicine and increased access to care. In contrast, rates of disability and use of services are higher among females. There is some evidence that these differences are associated more with behavioral than with biologic factors. Certain shifts in age-specific mortality rates reflect sex-role-related changes in behavior--e.g., increased consumption of tobacco by women and a reversal in sex mortality ratio for cancer of the lung. Changes in sex roles may affect directly, or indirectly through family dynamics, the health status of both sexes.

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