| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 10306747 | Psychoneuroendocrinology | 2013 | 10 Pages |
Abstract
Genetic influences account for a significant proportion of the variance in average testosterone levels, while environmental factors account for the majority of intra-individual variability. These results highlight the need to explore both genetic and individual-specific environmental factors as determinants of free testosterone levels in aging men.
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Authors
Matthew S. Panizzon, Richard Hauger, Kristen C. Jacobson, Lindon J. Eaves, Timothy P. York, Elizabeth Prom-Wormley, Michael D. Grant, Michael J. Lyons, Ruth McKenzie, Sally P. Mendoza, Hong Xian, Carol E. Franz, William S. Kremen,