2021
Replicability of leptin associations with testosterone, estradiol, follicle‐stimulating hormone, and luteinizing hormone in healthy Ache men of Paraguay: A multiple daily assessment
Harries V, Bribiescas R. Replicability of leptin associations with testosterone, estradiol, follicle‐stimulating hormone, and luteinizing hormone in healthy Ache men of Paraguay: A multiple daily assessment. American Journal Of Human Biology 2021, 34: e23638. PMID: 34213036, DOI: 10.1002/ajhb.23638.Peer-Reviewed Original ResearchConceptsFollicle-stimulating hormoneLeptin's associationsMale reproductive hormone levelsSerum follicle-stimulating hormoneMale reproductive hormonesReproductive hormone levelsMultiple daily assessmentsLeptin levelsEstradiol levelsHealthy menHormone levelsReproductive hormonesLeptinSeparate daysTestosteroneDaily assessmentHormoneSmall sample sizeAche menSalivary testosteroneMenLifestyle variationsSpan of daysEstradiolLH
2006
Age, rank, and personality effects on the cortisol sedation stress response in young chimpanzees
Anestis S, Bribiescas R, Hasselschwert D. Age, rank, and personality effects on the cortisol sedation stress response in young chimpanzees. Physiology & Behavior 2006, 89: 287-294. PMID: 16887152, DOI: 10.1016/j.physbeh.2006.06.010.Peer-Reviewed Original ResearchConceptsCortisol responseIndividual differencesPersonality effectsBaseline cortisolAge differencesYoung chimpanzeesAdolescent chimpanzeesPsychosocial stressorsStyle scoresRank-related differencesSedation measuresStress measuresCortisol changesStyle componentsHigher baseline levelsOlder individualsGreater stress responseIndividualsCortisol levelsYoung individualsPersonalityChimpanzeesMeasuresStress responseFuture studiesAge related variation of salivary testosterone values in healthy Japanese males
Uchida A, Bribiescas R, Ellison P, Kanamori M, Ando J, Hirose N, Ono Y. Age related variation of salivary testosterone values in healthy Japanese males. The Aging Male 2006, 9: 207-213. PMID: 17178556, DOI: 10.1080/13685530601060461.Peer-Reviewed Original Research
2005
Testosterone‐mediated immune functions and male life histories
Muehlenbein M, Bribiescas R. Testosterone‐mediated immune functions and male life histories. American Journal Of Human Biology 2005, 17: 527-558. PMID: 16136532, DOI: 10.1002/ajhb.20419.Peer-Reviewed Original ResearchConceptsMale life historyLife historyLife-history evolutionPrimate malesLife history theoryPotential selection pressuresHistory evolutionPhysiological ecologyReproductive effortNon-primate speciesSelection pressureEnergy allocation processHistory theoryHuman life history theoryMetabolic functionsEnergetic resourcesEvolutionary anthropologyImmune-endocrine interactionsPrimary hormoneNew insightsImportant forcePhysiological systemsVertebratesRecent advancesImmune function
2002
Population variation in age-related decline in male salivary testosterone
Ellison P, Bribiescas R, Bentley G, Campbell B, Lipson S, Panter-Brick C, Hill K. Population variation in age-related decline in male salivary testosterone. Human Reproduction 2002, 17: 3251-3253. PMID: 12456632, DOI: 10.1093/humrep/17.12.3251.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgingCongoHumansMaleMiddle AgedNepalParaguayPopulation DynamicsSalivaTestosteroneUnited States
2001
Reproductive ecology and life history of the human male
Bribiescas R. Reproductive ecology and life history of the human male. American Journal Of Biological Anthropology 2001, 116: 148-176. PMID: 11786994, DOI: 10.1002/ajpa.10025.Peer-Reviewed Original ResearchConceptsMale life historyReproductive ecologyLife historyReproductive effortDevelopmental canalizationReproductive constraintsSomatic tissuesPopulation variationRole of competitionInsemination abilityMammalian malesMate choosinessEcologyPhysiological mechanismsMale senescenceHuman malesPotential constraintsIntegrative interpretationChoosinessSurvivorshipSenescenceCanalizationRecent investigationsMale contraceptiveEvolution