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Evolution of Human Pair Bonds as a Consequence of Male-Biased Mating Sex Ratios?
Bull Math Biol
January 2025
School of Mathematics and Statistics, The University of Sydney, Sydney, NSW, 2006, Australia.
Compared to our closest primate relatives, human life history involves greater longevity, which includes a distinctive postmenopausal life stage. Given mammalian reproductive physiology in which females build a finite stock of cells that can become oocytes early in life, which then continuously deplete mostly through cell death while males produce new sperm throughout adulthood, the postmenopausal stage makes the sex ratio in the fertile pool, called the adult sex ratio (ASR), male biased. Additionally, this affects a more fine-grained ratio, the operational sex ratio (OSR), defined as the ratio of males to females currently able to conceive.
View Article and Find Full Text PDFEvaluation of standards for sex estimation using measurements obtained from reconstructed computed tomography images of the femur of contemporary Black South Africans.
Int J Legal Med
January 2025
School of Anatomical Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.
Dimensions of the pelvic and skull bones are known to be sexually dimorphic in various population groups. The recovery of these bones is potentially beneficial in estimating the sex in forensic cases. Since both bones are not always available for forensic analysis, standards for sex estimation must be established for other bones of the postcranial skeleton.
View Article and Find Full Text PDFA pilot, randomized controlled trial of Dual Daily HIV and sexually transmitted infection pre-exposure prophylaxis using tenofovir disoproxil fumarate/emtricitabine and doxycycline in gay, bisexual and other men who have sex with men and transgender women: The DuDHS Study.
Clin Infect Dis
January 2025
Faculty of Medicine, University of British Columbia, Vancouver, British Columbia.
Background: Men who have sex with men (MSM) and transgender women experience high sexually transmitted infection (STI) rates. This study evaluated the feasibility of doxycycline pre-exposure prophylaxis (doxyPrEP) for STI prevention in these key populations.
Methods: Sexually-active MSM and transgender women without HIV with prior syphilis were recruited.
Noncardiac chest computerized tomography scan as a predictor for plaque presence in coronary artery.
Coron Artery Dis
January 2025
Intensive Cardiac Care Department, Ziv Medical Center.
Background: Coronary artery calcium, a marker of coronary atherosclerosis, is often identified on noncoronary chest computed tomography (CT). We wanted to evaluate the correlation between the presence of coronary plaques in coronary artery catheterization and coronary calcifications as shown in noncardiac chest CT.
Methods: A retrospective case-control study consisting of cases (N = 63) and controls (N = 29), aged 18-70 years old, residing in northern Israel and treated in the Intensive Cardiac Care Unit of Ziv Medical Center, between January 2020 and November 2022.
Transforming Early Stroke Care Through Mobile Stroke Treatment Unit Rendezvous With Rural Emergency Medical Services.
Stroke
January 2025
Department of Neurology, College of Medicine, University of Florida, Gainesville (M.F., A.S., T.J.P., A.K.).
Background: Mobile stroke units, also sometimes called Mobile Stroke Treatment Units (MSTUs) are changing the paradigm of acute stroke care and are considered to be an extension of the time is brain concept. Of the <20 active Mobile Stroke Programs in the United States, most are rooted in urban settings. In July 2023, the first MSTU in Florida was launched in Alachua County, implementing a unique and innovative rendezvous process with rural emergency medical services (EMS).
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