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Published on: February 12, 2018
Sopranos but not tenors live longer
Ernest L Abel1, Michael M Kruger, Kalyani Pandya
1Departments of Obstetrics and Gynecology and Psychology, Wayne State University, Detroit, MI 48201, USA. eabel@wayne.edu
Summary
Females generally live longer than males, potentially due to sex hormones like estrogens. This study found higher life spans in female opera singers with higher voices, suggesting hormonal benefits to longevity.
Area of Science:
- Endocrinology
- Longevity research
- Human longevity
Background:
- Sex differences in lifespan are well-documented, with females typically outliving males.
- Hormonal influences, particularly estrogens, are hypothesized to contribute to this longevity gap.
- Direct human experimentation on sex hormones and lifespan is ethically prohibitive.
Purpose of the Study:
- To investigate the potential role of estrogens in female longevity through an indirect observational study.
- To explore the relationship between vocal characteristics, influenced by sex hormones, and lifespan in opera singers.
Main Methods:
- Comparative lifespan analysis of female opera singers (sopranos vs. contraltos) and male opera singers.
- Statistical control for birth year to mitigate cohort effects.
- Utilizing opera singers as a model due to the known influence of sex hormones on voice development.
Main Results:
- Sopranos exhibited significantly longer lifespans compared to contraltos, even after adjusting for birth year.
- No statistically significant lifespan differences were observed among male opera singers.
- These findings suggest a potential link between higher estrogen levels and increased longevity in females.
Conclusions:
- The data support the hypothesis that estrogens may confer beneficial effects on longevity-related genes in females.
- Vocal pitch in female singers may serve as an indirect biomarker for hormonal influences on lifespan.
- Further research is warranted to elucidate the precise mechanisms of estrogen's impact on longevity.
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