No relationship between the digit ratios (2D:4D) and salivary testosterone change: Study on men under an acute exercise.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
22 06 2020
22 06 2020
Historique:
received:
25
10
2019
accepted:
16
03
2020
entrez:
24
6
2020
pubmed:
24
6
2020
medline:
15
12
2020
Statut:
epublish
Résumé
The digit ratio (2D:4D) is said to be a potential marker of exposure to prenatal sex steroids. Some studies suggest that the 2D:4D is also linked with the testosterone response to challenging situations due to organizational effect of prenatal hormonal milieu on adult endocrine functioning. However, up to date, there were only four studies (conducted on small samples) that examined the 2D:4D and the testosterone response to a challenging situation (i.e. physical exertion or aggressive context). Here, we examined the relationship between the 2D:4D and the testosterone change under an acute exercise among 97 men. We found that the digit ratios (the right 2D:4D, the left 2D:4D, and the right minus left 2D:4D) were neither predictors of pre-exercise testosterone, nor the change in testosterone level after a cycling task. Our results add a contradictory to previous studies evidence in a discussion on the links of the 2D:4D and the testosterone change.
Identifiants
pubmed: 32572079
doi: 10.1038/s41598-020-66915-9
pii: 10.1038/s41598-020-66915-9
pmc: PMC7308391
doi:
Substances chimiques
Testosterone
3XMK78S47O
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
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