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Updated: Jul 29, 2026

Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making
Published on: March 2, 2011
Testosterone, aging and quality of life
J E Morley1, M T Haren, M J Kim
1Division of Geriatric Medicine, Saint Louis University School of Medicine, St. Louis, Missouri 63104, USA. morley@slu.edu
Testosterone replacement therapy may improve functional outcomes and quality of life in older males experiencing hypogonadism. Further large placebo-controlled trials are needed to confirm these benefits and understand the placebo effect on aging symptoms.
Area of Science:
- Gerontology
- Endocrinology
- Men's Health
Background:
- Testosterone levels naturally decline with age, potentially causing symptoms similar to hypogonadism in older males.
- Some research suggests testosterone therapy may reverse age-related symptoms and functional decline.
- Bioavailable testosterone decline is linked to functional decline in aging men.
Purpose of the Study:
- To evaluate the potential benefits of testosterone replacement therapy (TRT) in older males.
- To investigate TRT's role in improving functional outcomes during rehabilitation.
- To assess TRT's impact on sexual quality of life and overall well-being in aging men.
Main Methods:
- Review of existing studies on testosterone levels and age-related changes.
- Analysis of trials investigating testosterone's effect on functional outcomes.
- Consideration of the role of placebo effects in aging symptomatology.
Main Results:
- Preliminary studies suggest testosterone therapy may reverse some hypogonadism symptoms.
- Testosterone replacement during rehabilitation may enhance functional outcomes.
- TRT plays a role in maintaining sexual quality of life.
Conclusions:
- Testosterone replacement therapy shows promise for improving functional outcomes and quality of life in older men.
- Larger placebo-controlled trials are essential to validate these findings.
- Understanding the significant placebo effect is crucial for future research on aging symptomatology.
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