The longevity of gerontologists.

@article{Freeman1975TheLO,
  title={The longevity of gerontologists.},
  author={Jared T. Freeman},
  journal={Journal of the American Geriatrics Society},
  year={1975},
  volume={23 5},
  pages={
          200-6
        }
}
The forces of mortality are the prime determinants of longevity. Longevity is a basic consideration of gerontology and includes the life expectancy of the species, the average expectancy of survival at birth, and the average of lifespan. In the history of the study of old age, for which the modern period began about 1930, there are no reports of the average lifespan for the students of aging. A survey revealed that the average lifespan of 28 special groups (15,000 individuals) was 68 years… CONTINUE READING

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