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Correlation of human longevity oscillations with sunspot cycles
1Barros Research Institute, Holt, Michigan 48842.
Radiation Research
|March 1, 1993
Summary
Human longevity, particularly for U.S. Congressional Representatives, fluctuated with the 11-year sunspot cycle. Lower sunspot activity correlated with increased lifespan, suggesting a solar influence on mortality trends.
Area of Science:
- Environmental Health
- Epidemiology
- Solar Physics
Background:
- Historical human mortality data reveals complex patterns.
- The influence of environmental factors on lifespan is a key area of research.
Purpose of the Study:
- To investigate the correlation between solar cycles and human longevity.
- To identify potential mechanisms linking solar activity to mortality trends.
Main Methods:
- Analysis of mortality data for U.S. Congressional Representatives (1740-1900).
- Comparison of longevity trends with sunspot cycle data.
- Validation using data from UK Parliament members and Cambridge alumni.
Main Results:
- Mean longevity of birth cohorts oscillated with the 9-12 year sunspot cycle.
- Longevity was 2-3 years greater during low sunspot activity.
- A longer-period longevity oscillation, potentially linked to solar cycles, was also observed.
Conclusions:
- Solar activity appears to influence human longevity trends.
- A 20-year phase shift suggests a lag between solar changes and cohort effects.
- Potential mechanisms include radiation, influenza, and weather patterns.
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