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Duke longitudinal study

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Duke longitudinal study,
long-range in-depth research into the normal aging process of middle-aged and older men and women conducted at Duke University Medical Center, Durham, NC. The Duke studies led to development of the "longevity quotient" used to evaluate an individual's rate of aging. It is calculated by the number of years a person survives beyond a given time divided by the expected number of years derived from actuarial tables.


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Normal Aging: Reports from the Duke Longitudinal Study 1955-1969.
 
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