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Updated: Apr 28, 2026
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Surveying Low-Cost Methods to Measure Lifespan and Healthspan in Caenorhabditis elegans
Published on: May 18, 2022
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Adolescent experience predicts longevity: evidence from historical epidemiology
Summary
Early adolescence is a sensitive period where life-threatening stressors can impact male longevity. Exposure to such risks during ages 10-14 was linked to lower life expectancy at age 20.
Area of Science:
- Developmental biology
- Public health
- Demography
Background:
- Human development features sensitive periods where environmental stressors can permanently affect health and longevity.
- Adolescence, particularly male reproductive biology development, is proposed as a key sensitive period.
Purpose of the Study:
- To test if life expectancy at age 20 is reduced in males exposed to life-threatening stressors during early adolescence.
- To identify sensitive developmental periods for long-term health impacts of environmental stressors.
Main Methods:
- Time-series analysis of historical cohort mortality data.
- Examined data from France (1816-1919), England and Wales (1841-1919), and Sweden (1861-1919).
Main Results:
- An inverse association was found between death rates in early adolescence (ages 10-14) and life expectancy at age 20.
- Males exposed to severe stressors during early adolescence exhibited reduced longevity.
Conclusions:
- Early adolescence represents a sensitive period for the long-term health consequences of environmental stressors.
- Strategic management of adolescent stressors may enhance population health and longevity.
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