HLTHAGE 1BB3 Lecture Notes - Lecture 7: Twin, Y Chromosome, Twin Study
6 Feb 2017
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Document Summary
Lecture 5 biology of aging and the impact of lifestyle on the aging process. The maximum number of years a member of a species can live. Has changed little over the past 100,000 years. Refle(cid:272)ts the (cid:862)sur(cid:448)i(cid:448)al pote(cid:374)tial(cid:863) of members of a population. Jeanne clement: lived 122 years, had valid documents to verify as oldest human. Elle(cid:374) (cid:862)dolly(cid:863) gi(cid:271)(cid:271: oldest canadian, april 27, 1905 present. Number of years at birth an average member of a population can expect to live: canadians = 83-79, different at different milestones. 60: japan has the highest, us has the lowest. Different with men and women: women outlive men throughout the world. More males born than females in the species. After the growing year of the second decade, male to female ratio gets bigger. Life expectancy at birth, every single year females have higher. In 1920, there was a year difference in gap: moving to the 20th century, the difference got greater.
