The examine design, developed in a collaborative course of, consists of a cross-sectional study and a longitudinal cohort study, both of which make use of common protocols across the seven websites with scientific examination amenities. Focus teams have been performed to tell the development of the examine design and the protocols and to make sure the relevance and the appropriateness of the protocols to the multiethnic cohort. At the beginning of the 20 th century, in a lot of the Western industrialized world, life expectancy at birth for women was less than 50 years. Life expectancy at birth for ladies in most industrialized nations is now nicely into the late 70s and the early mid-80s, on average about seven to eight years longer than men. By age sixty five and over, this gender gap narrows, and by age eighty five, life expectancy for girls is very close to men’s.

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