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The Human Biology Association

@humbioassociation.bsky.social
153 followers 46 following 277 posts

Scientific organization & journal supporting & disseminating innovative research & teaching on human biological variation, worldwide. Diversity is our business.

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The Human Biology Association @humbioassociation.bsky.social · 15/09/2026
Our Editor's Choice for the August issue: A new study of 75 nurses in Philadelphia introduces "work-influenced circadian disruption" (WICD), the idea that our work environments and schedules are throwing our body clocks out of sync, with real consequences for health. doi.org/10.1002/ajhb...
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The Human Biology Association @humbioassociation.bsky.social · 04/09/2026
From our Beyond the Binary Special Issue: Juster’s (2026) narrative review summarizes 15-years of research on the stress physiology of sexually and gender diverse communities. doi.org/10.1002/ajhb...
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Stress Processes and Resilience Pathways of Sexually and Gender Diverse Communities: A Narrative Review of 15 Years of Evolving Research Priorities and Practices
Sexually and gender diverse (SGD) people in North America have navigated significant sociopolitical shifts that continue to shape their lived experiences. Given the persistent exposure to stigma, SGD...
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The Human Biology Association @humbioassociation.bsky.social · 27/08/2026
From the July issue: Weaver and colleagues describe the methods of an ongoing biocultural, participatory, community-based study investigating homelessness in Oregon, USA: doi.org/10.1002/ajhb...
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Study Protocol: Homelessness and Health: Integrating Structural, Social, and Behavioral Pathways
This protocol paper describes the methods of a multi-year study examining individual, community, and structural-level influences on health among people experiencing homelessness in a mid-sized Oregon....
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The Human Biology Association @humbioassociation.bsky.social · 25/08/2026
What happens when exclusive breastfeeding ends too soon? A new study prospectively followed the growth/weight gain of more than 100,000 children receiving primary health care in Brazil, from birth-5 years of age: doi.org/10.1002/ajhb...
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Exclusive Breastfeeding and Growth Trajectories Until 5 Years of Age Among Children Monitored in Primary Health Care in Brazil
Objectives Exclusive breastfeeding (EBF) is relevant for child growth, especially in contexts of socioeconomic vulnerability. This study estimates growth trajectories until 5 years of age according ...
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The Human Biology Association @humbioassociation.bsky.social · 21/08/2026
Our Editor's Choice for the July issue: How did Indigenous Mbyá-guaraní children & adolescents change over more than a decade? Comparing 2 studies conducted more than a decade a part, Zonta & colleagues find lower stunting and intestinal parasitic infections over time. doi.org/10.1002/ajhb...
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Temporal Changes in Nutritional Status, Body Composition and Intestinal Parasitic Infections Among Mbyá‐Guaraní Children and Adolescents From Misiones, Argentina: A Comparison of Two Cross‐Sectional Studies
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The Human Biology Association @humbioassociation.bsky.social · 12/08/2026
As we experience record breaking heat, intense heat waves, & drought, it's critical to understand how short-term & long-term exposures are increasing risk of dehydration, particularly in water-insecure settings & with vulnerable groups. doi.org/10.1002/ajhb...
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Increased Vulnerability to Dehydration Due to Heat Stress and Drought Across Reproductive States for Pastoralist Women in Northern Kenya
Objectives Extreme weather events, like drought and heat stress, make it harder to meet water needs in water-insecure settings, particularly vulnerable groups. This study examines how short-term (he...
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The Human Biology Association @humbioassociation.bsky.social · 10/08/2026
Reproductive ecology research addresses reproductive biology through the lens of evolutionary & life history theory. This paper (50th Anniversary Special Issue) reviews major contributions to evolutionary anthropology & presents emerging directions. onlinelibrary.wiley.com/doi/10.1002/...
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Reproductive Ecology and Evolutionary Anthropology: Foundations, Unanswered Questions, and Future Directions
The research field of reproductive ecology continues to be a major contributor to the scientific advancement of evolutionary anthropology and human biology in general. Primary contributions to human ...
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The Human Biology Association @humbioassociation.bsky.social · 06/08/2026
From our July issue: a longitudinal study followed 375 Latvian children annually from ages 9-14 to investigate whether birth season affects growth patterns. Birth season had only a limited effect on overall growth trajectories. doi.org/10.1002/ajhb...
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Longitudinal Growth Patterns in Boys and Girls Aged 9–14 Years by Birth Season
Background and Objectives Birth season has been proposed as a proxy for various prenatal and early-life environmental exposures that may influence human growth and development. This study aimed to e...
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The Human Biology Association @humbioassociation.bsky.social · 05/08/2026
Digging in the archives can uncover important clues to lingering pandemic mysteries. Using multiple historical sources, @maddymant.bsky.social, @taylorvandoren.bsky.social, & Sattenspiel traced survival journeys of individuals who lived through the 1918 influenza pandemic: doi.org/10.1002/ajhb...
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Pandemic Patterns: The Long‐Term Health Outcomes of 1918 Influenza Survivors in the St. John's General Hospital of Newfoundland and Labrador
Objectives Research surrounding the 1918 influenza pandemic has primarily been a story of mortality despite theoretical and practical reasons to focus on the pandemic's long-term impacts. We investi...
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The Human Biology Association @humbioassociation.bsky.social · 03/08/2026
Can a pandemic change long-standing patterns of human growth? Height data from Japanese schoolchildren was analyzed before and after COVID-19; while children became temporarily taller after the pandemic, preexisting geographic patterns in height remained. doi.org/10.1002/ajhb...
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Peri‐Pubertal Height Shifts and Stable Photoperiod‐Associated Geographic Patterning Before and After <fc>COVID</fc>‐19 in Japanese Children
Objectives Geographic variation in child body size in Japan has previously been associated with effective day length, a light-related measure. We tested whether this prefecture-level geographic stru...
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The Human Biology Association @humbioassociation.bsky.social · 29/07/2026
In a new study, researchers quantified the degrees of sexual dimorphism in facial shape and other parameters across 11 populations. Body parameters were highly sexually dimorphic, but appeared to demonstrate population specificity. doi.org/10.1002/ajhb...
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Sexual Dimorphism in Facial and Body Shape and Their Relationship in Modern Humans of African, Asian, and European Descent
Objectives Our study aimed to quantify the degrees of sexual dimorphism in facial shape and nineteen body parameters across eleven living populations from three major world regions: Sub-Saharan Afri...
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The Human Biology Association @humbioassociation.bsky.social · 28/07/2026
In a longitudinal study, Koczur & colleagues investigated the assumption that vaginal health is strongly influenced by estrogen levels. Salivary estradiol was measured daily throughout the menstrual cycle, capturing intra- and inter-individual variation. doi.org/10.1002/ajhb...
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The Human Biology Association @humbioassociation.bsky.social · 24/07/2026
As part of a larger study on Indigenous Wixárika health in Mexico, a new article by @ericshattuck.bsky.social & colleagues explores connections between health & connectedness to nature/natural environments in a novel setting: doi.org/10.1002/ajhb...
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Connectedness to Nature, Ceremonial Participation, and Mental and Physical Health Among Rural and Urban Wixárika in Jalisco, Mexico
Objectives Research in Western samples has repeatedly demonstrated a link between exposure to nature and natural stimuli and improved health. We sought to test these relationships in a sample of Ind.....
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The Human Biology Association @humbioassociation.bsky.social · 21/07/2026
From the June issue: in postpartum women during the COVID-19 pandemic, self-reported stress (but not mild COVID-19 infection) was significantly, positively associated with Epstein-Barr virus antibody concentrations. doi.org/10.1002/ajhb...
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Relationships Among Maternal Epstein–Barr Virus Antibodies, <fc>COVID</fc>‐19, and Stress in Mothers up to 1‐Year Postpartum
Objectives Both psychosocial stress and current infection can increase the likelihood of reactivation of latent Epstein–Barr virus (EBV). Pregnancy and infection with SARS-CoV-2 can be stressful and.....
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The Human Biology Association @humbioassociation.bsky.social · 15/07/2026
In an analysis of the 1918-19 influenza pandemic, Tripp & colleagues showed that even in small, isolated populations, classic features of the pandemic's mortality curve (a spike in mortality among young adults) were still present. doi.org/10.1002/ajhb...
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Can We Generalize About the Mortality Features of the 1918‐19 Influenza Pandemic? An Examination of a Small‐Scale and Isolated British Columbian Population
Objectives In this paper we use the small-scale population of the Fort George area (located in the central interior of British Columbia, Canada) to test the applicability of the three signature mort...
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The Human Biology Association @humbioassociation.bsky.social · 13/07/2026
In the June issue: Strizzi & Natterson-Horowitz present a phylogenomic toolkit for tracking the evolutionary origins of human disease. The method links current atherosclerosis vulnerability to survival-critical functions that emerged long before the closed circulatory system. doi.org/10.1002/ajhb...
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The Human Biology Association @humbioassociation.bsky.social · 08/07/2026
Are you aging faster than you think? 🧬⏳ Recent research by @sashapost.bsky.social & colleagues suggests that chronic stress already predicts faster biological aging in young adults 20-22 years old, from the Cebu Longitudinal Health and Nutrition Survey. doi.org/10.1002/ajhb...
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Patterns of Chronic Stress in Diurnal Salivary Cortisol Already Predict Epigenetic Age Acceleration in Young Adults in the Cebu Longitudinal Health and Nutrition Survey
Epigenetic clocks estimate biological aging through age-related DNA methylation patterns and are known to accelerate in response to adversity. While cortisol links stress experiences to cellular agin...
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The Human Biology Association @humbioassociation.bsky.social · 07/07/2026
In this week's SoS episode, Cara & Anna talk with Dr. Virginia Vitzthum about female reproductive functioning across populations, fieldwork adventures, and the changing nature of the field of anthropology: on.soundcloud.com/S0CEiMfYMj1D...
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SoS 285: Female Reproductive Function and Fieldwork Adventures
In this episode, hosts Cara and Anna talk with Dr. Virginia Vitzthum about novel findings in female reproductive functioning across populations, tell exciting fieldwork stories, and reflect on the cha
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The Human Biology Association @humbioassociation.bsky.social · 06/07/2026
Our Editor's Choice article for the June issue: outdoor workers in India were observed to have a physiological response to heat exposure (↓ sodium + potassium, ↑ aldosterone, sweat gland activation), with implications for workplace protections in response to climate change. doi.org/10.1002/ajhb...
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Physiological Responses to Occupational Heat Exposure Among Male Agricultural and Brick‐Field Workers in Eastern India: A Biochemical Perspective
Occupational heat exposure is considered a major health concern for workers performing strenuous work during hot environmental conditions. This cross-sectional study aimed to assess the biochemical a...
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The Human Biology Association @humbioassociation.bsky.social · 01/07/2026
How much of you is actually "you?" 🤔 In this week's SoS episode, we sit down @amyboddy.bsky.social to talk about microchimerism, the phenomenon in which foreign cells enter, persist in, and sometimes even benefit our bodies. on.soundcloud.com/PYPXJo9rlaWt...
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SoS 284: Dr. Amy Boddy Explains Microchimerism: How Much of You Is Actually You?
Join us for a conversation with Dr. Amy Boddy, Professor of Anthropology at UC Santa Barbara and head of the Boddy Lab, a human evolutionary biologist whose work asks why cancer varies across the anim
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The Human Biology Association @humbioassociation.bsky.social · 30/06/2026
From the June AJHB issue: @keeganck.bsky.social & colleagues present a methods paper on minimally invasive ex vivo cell cultures to assess inflammatory regulation in low-resource settings. This method helps to understand how ecosocial environments are embodied & shape health. doi.org/10.1002/ajhb...
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Measuring Dynamic Inflammation Regulation in Low‐Resource Settings: Results From a Sample of Adults in the Dominican Republic
Introduction Inflammatory signaling mediates several homeostatic mechanisms that shape health, and quantifying inflammation regulation patterns using ex vivo cell culture systems—response to activat...
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The Human Biology Association @humbioassociation.bsky.social · 23/06/2026
New SoS episode! Chris & Mecca speak with Dr. Anneliese Long about the non-academic job market, women's reproductive health, & inflammation: on.soundcloud.com/GNrHARTNwzen...
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SoS 283: Non-academic Career Paths, Inflammation, and Ovarian Function with Dr. Anneliese Long
In this episode, Chris and Mecca discuss the non-academic job search and career experience with Dr. Anneliese Long, as well as her work assessing the connections among inflammation and ovarian reserve
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The Human Biology Association @humbioassociation.bsky.social · 18/06/2026
This week's SoS episode with @christinewebb.bsky.social is all about primate behavior, cognition, & dismantling the myth of human exceptionalism. Listen to the episode here: on.soundcloud.com/YwXefVGEMVPb...
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SoS 282: Interrogating Human Exceptionalism in Primate Research with Dr. Christine Webb
In this episode, host Chris speaks with Dr. Christine Webb about primate behavior, cognition and consciousness, and dismantling the myth of human exceptionalism. Dr. Christine Webb is an assistant p
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The Human Biology Association @humbioassociation.bsky.social · 16/06/2026
Love spending time outdoors? Make sure to check out last week's SoS episode with @dannylongman.bsky.social & Dr. Colin Shaw, focusing on the mismatch between human adaptations and modern built environments! on.soundcloud.com/ToVpkCheXnzH...
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SoS 281: Industrialization and the Environmental Mismatch: The Case for Returning to Nature with Dr. Danny Longman and Dr. Colin Shaw
In this episode, hosts Chris and Mecca speak with Dr. Danny Longman and Dr. Colin Shaw about the mismatch between humans and modern built environments, exploring both the negative biological impacts o
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The Human Biology Association @humbioassociation.bsky.social · 03/06/2026
In this week's SoS episode, Chris & Cristina sit down with Dr. Christine Harper to talk about functional morphology 🦴 & biomechanics 🏃in humans & nonhuman primates: on.soundcloud.com/imO3elpCAjnG...
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SoS 280: The Measure of Motion with Dr. Christine Harper
Chris and Cristina sit down with Dr. Christine Harper, a biological anthropologist and Assistant Professor in the Department of Anthropology at the University of Washington, whose research focuses on
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The Human Biology Association @humbioassociation.bsky.social · 02/06/2026
From the May AJHB issue: by analyzing data across many Eurasian populations, novel relationships were documented between the frequency of lactose tolerance-associated alleles, autosomal ancestry, and Y haplogroups. doi.org/10.1002/ajhb...
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The Geographical Distribution of Lactose Tolerance‐Associated Alleles 13910*T and 13915*G Is Strongly Linked to Male Founder Events in Eurasia
Lactose tolerance (lactase persistence) represents a very progressive human adaptation, the origins of which remain incompletely understood. This study aims to examine the geographical distribution o....
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The Human Biology Association @humbioassociation.bsky.social · 26/05/2026
Interested in ethical stewardship of human remains? In our latest SoS episode, Cara & Chris speak with Dr. Fatimah Jackson and Dr. Ben Auerbach about the AABA Task Force on the ethical study of human remains, providing their recommendations. on.soundcloud.com/qfzVXQ0IHht1...
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SoS 279: The AABA Task Force Recommendations for the Ethical Study of Human Remains with Dr. Fatimah Jackson and Dr. Ben Auerbach
In this episode, hosts Cara and Chris speak with Dr. Fatimah Jackson and Dr. Ben Auerbach about the American Association of Biological Anthropologists Task Force on the ethical study of human remains
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The Human Biology Association @humbioassociation.bsky.social · 22/05/2026
Falbova & colleagues examined vegetarian diet & bone health among young adult women from Slovakia, finding that women adhering to a vegetarian diet had more favorable bone characteristics. Vegetarian diet may be associated with beneficial bone properties in young adult women. doi.org/10.1002/ajhb...
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Association Between Vegetarian Diet and Bone Mineral Density Assessed by Quantitative Ultrasound in Young Adult Women
Objectives The association between vegetarian dietary patterns and bone health remains inconsistent, particularly in young adult populations. This study aimed to investigate the association between .....
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The Human Biology Association @humbioassociation.bsky.social · 18/05/2026
A new study shows later daily activity & light rhythms are tied to higher morning cortisol in Arctic residents. A specific gene variant also influenced morning cortisol levels. This study reveals how habits, light, & genetics shape stress responses in the Arctic. doi.org/10.1002/ajhb...
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Population‐Specific Circadian Drivers and MTNR1B Predict Arctic Morning Cortisol
Objective This study investigated the relationship between morning cortisol concentration and circadian timing of physical activity, light exposure and sleep in Arctic residents, and examined the ro...
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The Human Biology Association @humbioassociation.bsky.social · 13/05/2026
A new study explores if cortisol remains stable in urine samples stored long-term at -20C. Authors found that cortisol can remain measurable, even after many years of storage. Findings highlight the value of archived urine samples for research on stress, biology, & health. doi.org/10.1002/ajhb...
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Cortisol Stability at 16 and 30 Years in Urine Specimens Stored at −20°C
Objective This study aims to investigate whether urinary cortisol can be reliably measured after long-term storage at −20°C, using urine samples collected in 1993 from rural Bangladeshi women, and a.....
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The Human Biology Association @humbioassociation.bsky.social · 12/05/2026
In this week's SoS episode 🎙️, Mecca talks with Erin Maxwell (Hosein) about her research on food allergen consumption patterns in the US, and the value of anthropology in informing food policy and nutritional guidelines. Check it out here: on.soundcloud.com/6ef4tgdaATFZ...
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SoS 278: Using a biocultural approach to understand food allergies, consumption patterns, and guidelines with Erin Maxwell (Hosein)
In this episode, Mecca chats with Erin Maxwell (Hosein) about her research on food allergen consumption patterns in the U.S. using NHANES data, gaps in current research, and the value of anthropologic
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The Human Biology Association @humbioassociation.bsky.social · 08/05/2026
The Shuar Health & Life History Project Special Issue (Edited by Sam Urlacher @ssurlacher.bsky.social, Theresa Gildner, & Larry Sugiyama) is complete! This important SI features 11 papers highlighting 20+ years of research with the Indigenous Shuar of Ecuador. onlinelibrary.wiley.com/doi/toc/10.1...
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Shuar Health and Life History Project: American Journal of Human Biology
The American Journal of Human Biology publishes reports of original research, theoretical articles and timely reviews, and brief communications in human biology.
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The Human Biology Association @humbioassociation.bsky.social · 04/05/2026
Our Editor's Choice for the April 2026 issue explores infant feeding in Samoa, showing how responsive feeding (recognizing & responding to babies' hunger/fullness cues) is embedded in mothers' early caregiving. However, other practices may disrupt infant self-regulation. doi.org/10.1002/ajhb...
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Nurturing Bonds: A Qualitative Exploration of Breastfeeding and Responsive Feeding Practices in Samoan Mother‐Infants Dyads
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The Human Biology Association @humbioassociation.bsky.social · 01/05/2026
New article: @sccarrera.bsky.social & colleagues tested whether adverse childhood experiences (ACEs) predict "faster" life history characteristics in Cebu, Philippines. doi.org/10.1002/ajhb... 🧵
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Recalled Adverse Childhood Experiences Predict Behavioral Traits Associated With an Accelerated Life History in Cebu, Philippines
Objectives Adverse childhood experiences (ACEs) have long been associated with poor health in adulthood, with many researchers interpreting these findings as evidence of a “fast” life history. In th...
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The Human Biology Association @humbioassociation.bsky.social · 30/04/2026
New SoS episode 🎙️: Chris & Mecca talk with Dr. Catalina Fernandez about her research on nutrition, growth, & the causes of variation in child growth trajectories among non-Western populations. Check it out here: soundcloud.com/sausageofsci...
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SoS 277: Catalina Fernández discusses a new causal model of human growth using temporally sparse data
In this episode, Dr. Catalina Fernández explains a new theoretical model of human growth and its opportunities for cross-sectional and diverse samples. Dr. Catalina Fernández is an Assistant Professor
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The Human Biology Association @humbioassociation.bsky.social · 28/04/2026
Part 2 of our SoS conversation with Kristen Hawkes is out now! This episode focuses on how grandmothering can explain many human evolutionary puzzles—our long childhoods, late maturity, extended lifespans, and more. on.soundcloud.com/PcKYEfRAiJYq...
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SoS 276: When the Grandmother Hypothesis Speaks, Part Two
In part two of our conversation with Dr. Kristen Hawkes, Professor of Anthropology at the University of Utah, we pick up where we left off and turn to the broader evolutionary story that grandmotherin
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The Human Biology Association @humbioassociation.bsky.social · 22/04/2026
New SOS episode 🧬: Anahi speaks with Dr. Dario Cardozo about the Abuelas de Plaza de Mayo, next gen sequencing, & forensic genetics. on.soundcloud.com/x9iXxrW9cJZL...
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SoS 275: La historia de Abuelas de Plaza de Mayo y el índice de abuelidad con Darío Pacha Cardozo
Darío Cardozo es Licenciado en Biología Molecular, egresado de la Facultad de Química, Bioquímica y Farmacia de la Universidad Nacional de San Luis (Argentina), y doctor en Arqueología de la Facultad
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The Human Biology Association @humbioassociation.bsky.social · 21/04/2026
In this Special Issue toolkit paper, Dr. Howe & colleagues introduce silicone wristbands as a noninvasive tool for measuring individual exposure to organic chemicals & chemical mixtures. doi.org/10.1002/ajhb...
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Silicone Wristbands for Measuring Human Exposure to Organic Chemicals: Uses and Benefits for Human Biological Research
Increasing human exposure to environmental contaminants is a growing concern and has become an important factor within human biological variation and health outcomes. Yet, traditional exposure assess...
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The Human Biology Association @humbioassociation.bsky.social · 20/04/2026
New article from our Shuar Special Issue: Divergent histories & exposure to market integration differentially shape reproductive patterns among neighboring Indigenous Shuar and non-Indigenous Colonos from Amazonian Ecuador. doi.org/10.1002/ajhb...
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Market Integration and Reproductive Transitions Among Indigenous Shuar and Neighboring Nonindigenous Ecuadorians in Amazonian Ecuador
Objective Global reproductive transitions are well documented, yet less is known about how neighboring populations with divergent histories and exposure to market integration (MI) experience them. T...
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The Human Biology Association @humbioassociation.bsky.social · 14/04/2026
New article analyzes the relationship between the biological age of young swimming athletes & development of their emotional intelligence. These novel results have implications for planning personalized support for young athletes, taking into account their individual needs. doi.org/10.1002/ajhb...
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The Relationship Between Biological Age and Emotional Intelligence in Young Swimmers
Objectives Emotional intelligence is crucial for young athletes, affecting their psychosocial well-being and performance. Biological development, which includes physiological changes, is also import...
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The Human Biology Association @humbioassociation.bsky.social · 13/04/2026
🎙 New SoS episode: Chris interviews Dr. Nicole Hess about her research on female competition, indirect aggression, gossip, & "Informational Warfare" theories across both US sororities and small-scale societies in the Central African Republic. on.soundcloud.com/n0YCbeRSafso...
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SoS 274: Female competition and the power of gossip: from sororities to small-scale societies with Dr. Nicole Hess
In this episode, Chris interviews Dr. Nicole Hess about her research on female competition, indirect aggression, gossip, and “Informational Warfare” theory in U.S. sororities and small-scale societies
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The Human Biology Association @humbioassociation.bsky.social · 08/04/2026
New article: Insight provided by high-resolution autosomal markers reveals that Assam, India, served as a vital genetic corridor rather than a geographical barrier, facilitating bidirectional gene flow between South Asia and East/Southeast Asia. doi.org/10.1002/ajhb...
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Admixture and Genetic Connectivity: Autosomal Insights Into Indo‐Aryan Speakers at the Eastern Edge of the Indian Subcontinent
The detailed genetic analysis indicated that Northeast India served as a corridor linking South and Southeast Asia rather than acting as a barrier. This region has functioned as a melting pot. The ad...
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The Human Biology Association @humbioassociation.bsky.social · 06/04/2026
New article: After 75+ years of independence for India, do deep-rooted social hierarchies still shape the nutritional outcomes of children? This study examines long-term trends in undernutrition among Upper Caste and Scheduled Caste/Scheduled Tribe children in Hindu society. doi.org/10.1002/ajhb...
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Why Are Hindu Scheduled Caste and Scheduled Tribe Children Still at Higher Risk of Anthropometric Failure Than Upper‐Caste Children in India? A Chronological Analysis, 2005–06 to 2019–21
Background and Objectives Caste division and socioeconomic deprivation among marginalized communities in Indian Hindu society, since the pre-independence period, necessitate further investigation in.....
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The Human Biology Association @humbioassociation.bsky.social · 03/04/2026
Our Special Issue papers continue: Researchers have long focused on differential fertility & mortality as primary drivers of evolution. Here, Bogin & Smith revisit the evolution of the human pattern of growth & maturation in relation to fertility & longevity. onlinelibrary.wiley.com/doi/10.1002/...
onlinelibrary.wiley.com
Evolution of the Human Life Cycle, Revisited
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The Human Biology Association @humbioassociation.bsky.social · 01/04/2026
Our Editor's Choice for the March issue: Can birth sex ratio (M:F) affect older-age mortality? Using rich data from historical Utah, Bruckner & colleagues found that males born to low sex ratio (i.e. highly selected in utero) cohorts show better survival rates at older ages. doi.org/10.1002/ajhb...
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In Utero Selection Echoes Across a Lifetime: Evidence From Historical Utah Populations
Objectives Past work in historical demography finds mixed evidence regarding the role of selective cohort mortality in utero in shaping that cohort's older-age mortality. Here we use, for the first .....
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The Human Biology Association @humbioassociation.bsky.social · 31/03/2026
Part 1 of our conversation with Dr. Kristen Hawkes is now up! Chris & Cristina spoke with one of the most influential evolutionary anthropologists in our field about the grandmother hypothesis & the role of grandmothering in human longevity: on.soundcloud.com/hjZH34tKMn7D...
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SoS 273: When the Grandmother Hypothesis Speaks w/ Dr. Kristen Hawkes (Part 1)
In Part 1 of this two-part conversation, Chris and Cristina are joined by Dr. Kristen Hawkes, Professor of Anthropology at the University of Utah and one of the most influential evolutionary anthropol
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The Human Biology Association @humbioassociation.bsky.social · 30/03/2026
Another 50th Anniversary paper: Windhager & colleagues present "calibrated morphs"—photorealistic, unit-calibrated faces created by image unwarping & averaging with geometric morphometrics—to generate statistically grounded, realistic visualizations & stimuli. onlinelibrary.wiley.com/doi/10.1002/...
onlinelibrary.wiley.com
From Calibrated Morphs to Facial Stimuli: The Beauty of a Statistically Informed Picture
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The Human Biology Association @humbioassociation.bsky.social · 25/03/2026
Our AJHB Virtual Special Issue, "Celebrating the 50th Anniversary of the Human Biology Association," is now complete! We'll be sharing some of the papers here 🎉
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The Human Biology Association @humbioassociation.bsky.social · 23/03/2026
New article: Do women move differently across the menstrual cycle? In 77 healthy women, authors observed higher step counts and total activity in the follicular phase, followed by a decline in the premenstrual phase. onlinelibrary.wiley.com/doi/10.1002/...
onlinelibrary.wiley.com
Variations in Physical Activity Across the Menstrual Cycle in Healthy Women: A Focus on Step Count and Activity Intensity
Introduction Physical activity patterns across the menstrual cycle may reflect evolutionary adaptations that optimize reproductive success by aligning heightened activity with the fertile window and...
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The Human Biology Association @humbioassociation.bsky.social · 20/03/2026
Heading home soon from #humbio2026? Use the travel time to listen to our latest SoS episode, where Cara & Chris talk with Dr. Charles Roseman and Dr. Benjamin Auerbach about adaptation & evolutionary theory! on.soundcloud.com/C2qnc197fS7C...
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SoS 272: Dr. Charles Roseman and Dr. Ben Auerbach on the Extended Evolutionary Synthesis and the Ongoing Synthesis of Evolutionary Theory
In this episode, hosts Cara and Chris discuss various models of evolution, adaptation, and returning to the fundamentals, including, yes, math (!), with Dr. Charles Roseman and Dr. Benjamin Auerbach.
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