Ontology highlight
ABSTRACT:
SUBMITTER: Beltran-Sanchez H
PROVIDER: S-EPMC4517277 | biostudies-literature | 2015 Jul
REPOSITORIES: biostudies-literature
Proceedings of the National Academy of Sciences of the United States of America 20150706 29
Using historical data from 1,763 birth cohorts from 1800 to 1935 in 13 developed countries, we show that what is now seen as normal-a large excess of female life expectancy in adulthood-is a demographic phenomenon that emerged among people born in the late 1800s. We show that excess adult male mortality is clearly rooted in specific age groups, 50-70, and that the sex asymmetry emerged in cohorts born after 1880 when male:female mortality ratios increased by as much as 50% from a baseline of abo ...[more]