Annals of Human BiologyPub Date : 2025-12-01Epub Date: 2025-02-12DOI: 10.1080/03014460.2025.2455685
Stephanie B Levy, Shelby Pirtle, Ruthbernick Bastien, Kandra Cruz, Jahnae Vernon
{"title":"The wintertime brown adipose tissue thermogenesis of New York City residents amidst climate change.","authors":"Stephanie B Levy, Shelby Pirtle, Ruthbernick Bastien, Kandra Cruz, Jahnae Vernon","doi":"10.1080/03014460.2025.2455685","DOIUrl":"https://doi.org/10.1080/03014460.2025.2455685","url":null,"abstract":"<p><strong>Background: </strong>The built environment buffers residents of large cities, such as New York (NYC), from exposure to low temperatures. Furthermore, average winter temperatures are rising in NYC due to climate change. The degree to which NYC residents exhibit metabolic adaptations to cold stress is currently unclear.</p><p><strong>Aim: </strong>This study quantified variation in brown adipose tissue (BAT), energy expenditure (EE), and ambient temperature among NYC residents.</p><p><strong>Subjects and methods: </strong>We recruited 46 adults (31 females; 15 males) and quantified anthropometrics, change in EE, and BAT thermogenesis after a cooling condition in the lab. A subsample of 21 participants wore temperature loggers for three days in order to quantify ambient temperature exposure.</p><p><strong>Results: </strong>BAT thermogenesis was not significantly associated with change in EE. Participants that were exposed to lower average temperatures exhibited greater BAT thermogenesis (<i>p</i> = 0.013). Change in EE, however, was not significantly associated with time spent outside nor average temperature exposure.</p><p><strong>Conclusion: </strong>Our study provides mixed evidence for the role of BAT thermogenesis in metabolic adaptations to cold stress among NYC residents. Many young adults in NYC are exposed to minimal amounts of cold stress, and this trend is likely to be exacerbated by climate change.</p>","PeriodicalId":50765,"journal":{"name":"Annals of Human Biology","volume":"52 1","pages":"2455685"},"PeriodicalIF":1.2,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143400523","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Annals of Human BiologyPub Date : 2025-12-01Epub Date: 2025-02-18DOI: 10.1080/03014460.2025.2455698
Bilinda Straight, Charles E Hilton, Charles Owuor Olungah, Belinda L Needham, Erica Tyler, Lora Iannotti, Theodore Zava, Melanie A Martin, Eleanor Brindle
{"title":"Drought-compounded stress and immune function in Kenyan pastoralist boys and girls occupying contrasting climate zones.","authors":"Bilinda Straight, Charles E Hilton, Charles Owuor Olungah, Belinda L Needham, Erica Tyler, Lora Iannotti, Theodore Zava, Melanie A Martin, Eleanor Brindle","doi":"10.1080/03014460.2025.2455698","DOIUrl":"10.1080/03014460.2025.2455698","url":null,"abstract":"<p><strong>Background and aim: </strong>We provide ethnographic, photovoice, and psychosocial stress data (food and water insecurity, potentially traumatic events, stress biomarkers) documenting the joys, hazards, and stressors of adolescents engaging in climate-sensitive pastoralist livelihoods in a global climate change hot spot. We aim to holistically capture socio-environmental relationships characterised by climate sensitive livelihoods and forms of precarity exacerbated by climate change.</p><p><strong>Subjects and methods: </strong>Qualitative and quantitative methods were integrated to understand the embodied toll of hazards that Samburu pastoralists faced based on a sample of 161 young people. Quantitatively, we tested for associations of psychosocial stressors with both psychological distress and cell-mediated immune function (assessed through differences in IgG antibodies to Epstein-Barr virus).</p><p><strong>Results: </strong>Qualitatively, young Samburu reported drought, food and water insecurity, wildlife encounters, and war exposure. Girls overall endorsed more posttraumatic stress symptoms, although boys reported relatively more stressors; girls overall and young people in the hotter subregion manifested more immune dysregulation.</p><p><strong>Conclusion: </strong>In spite of important differences between climate subregions, the common elements throughout the Samburu pastoralist leanscape include food and water insecurity and overall precarity exacerbated by drought and climate change. Community-driven interventions are needed to reduce precarity for young people pursuing pastoralist livelihoods.</p>","PeriodicalId":50765,"journal":{"name":"Annals of Human Biology","volume":"52 1","pages":"2455698"},"PeriodicalIF":1.2,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11839180/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143442684","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Annals of Human BiologyPub Date : 2025-12-01Epub Date: 2025-02-12DOI: 10.1080/03014460.2025.2455703
Masako Fujita, Katherine Wander
{"title":"Lactose in human milk is associated with lower rates of infection during a drought.","authors":"Masako Fujita, Katherine Wander","doi":"10.1080/03014460.2025.2455703","DOIUrl":"https://doi.org/10.1080/03014460.2025.2455703","url":null,"abstract":"<p><strong>Background: </strong>Infants given mothers' milk have higher resistance against infections than formula-fed counterparts. This protection is likely multifactorial, with roles for both milk immune factors and nutrients, particularly under elevated nutritional and disease stress.</p><p><strong>Aim: </strong>This study evaluated several milk nutrients/immune factors to assess associations with infant infectious disease during a severe drought.</p><p><strong>Subjects and methods: </strong>The study analysed morbidity recall data from Kenyan mother-infant dyads surveyed during a historic drought (n 84). Predictors of interest in logistic regression models of infant infections included milk sIgA, lactoferrin, retinol, folate receptor-α, fat, protein, and lactose. Adjustment variables included dyadic demographic characteristics and maternal infection. Akaike Information Criterion guided model fit assessment. Interactions between variables were allowed in the best-fit model.</p><p><strong>Results: </strong>In the best-fit model, lactose was inversely (OR 0.93; 90% CI 0.89, 0.97), and maternal infection was positively (OR 2.80; 90% CI 1.04, 7.52) associated with infant infection. Milk immune factors (sIgA, lactoferrin) were not included in the final models.</p><p><strong>Conclusion: </strong>Mothers' milk may protect infants against infection through a broad range of immune and nutrient components. In the context of severe drought with heightened nutritional and disease stress, lactose may protect against infection or decrease in the presence of an infection.</p>","PeriodicalId":50765,"journal":{"name":"Annals of Human Biology","volume":"52 1","pages":"2455703"},"PeriodicalIF":1.2,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143400520","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Commentary: “Exposure to ambient air pollution-does it affect semen quality and the level of reproductive hormones?” by Michał Radwan, Joanna Jurewicz, Kinga Polańska, Wojciech Sobala, Paweł Radwan, Michał Bochenek and Wojciech Hanke","authors":"L. M. Schell","doi":"10.1080/03014460.2024.2397130","DOIUrl":"https://doi.org/10.1080/03014460.2024.2397130","url":null,"abstract":"Published in Annals of Human Biology (Vol. 51, No. 1, 2024)","PeriodicalId":50765,"journal":{"name":"Annals of Human Biology","volume":"13 1","pages":"2397130"},"PeriodicalIF":1.7,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142178960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Underweight in young Japanese women over time: a longitudinal retrospective study of the change in body mass index from ages 6 to 20 years","authors":"Yuka Nagashima, Mikako Inokuchi, Yasunori Sato, Tomonobu Hasegawa","doi":"10.1080/03014460.2024.2345393","DOIUrl":"https://doi.org/10.1080/03014460.2024.2345393","url":null,"abstract":"The high prevalence of underweight in young women has become a serious health problem in Japan. When and how young women reach a low body mass index (BMI) has not been clarified.To clarify the char...","PeriodicalId":50765,"journal":{"name":"Annals of Human Biology","volume":"1 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2024-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140834090","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"MTHFR and MTRR gene polymorphisms in patients with chronic hepatitis B virus infections in Zigong, Sichuan Province","authors":"Shunhua Qiu, Lifen Jin, Dan Yang, Dewen Zhang","doi":"10.1080/03014460.2024.2330926","DOIUrl":"https://doi.org/10.1080/03014460.2024.2330926","url":null,"abstract":"Chronic hepatitis B virus (HBV) infection is a severe disease affecting the physical and economic well-being of patients. The relationship between polymorphisms in the MTHFR gene and disease progre...","PeriodicalId":50765,"journal":{"name":"Annals of Human Biology","volume":"20 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2024-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140614225","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Causal relationship of genetically predicted particulate matter 2.5 level with Alzheimer’s disease and the mediating effect of dehydroepiandrosterone sulphate","authors":"Zehan Huang, Guodong He, Shuo Sun, Yuqing Huang","doi":"10.1080/03014460.2024.2337731","DOIUrl":"https://doi.org/10.1080/03014460.2024.2337731","url":null,"abstract":"The causal association between particulate matter 2.5 (PM2.5) and Alzheimer’s disease (AD) remains inconclusive, and the mediators of the association have yet to be explored.We aimed to assess the ...","PeriodicalId":50765,"journal":{"name":"Annals of Human Biology","volume":"97 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2024-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140614300","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Amanda McGrosky, Zane S. Swanson, Rebecca Rimbach, Hilary Bethancourt, Emmanuel Ndiema, Rosemary Nzunza, David R. Braun, Asher Y. Rosinger, Herman Pontzer
{"title":"Total daily energy expenditure and elevated water turnover in a small-scale semi-nomadic pastoralist society from Northern Kenya","authors":"Amanda McGrosky, Zane S. Swanson, Rebecca Rimbach, Hilary Bethancourt, Emmanuel Ndiema, Rosemary Nzunza, David R. Braun, Asher Y. Rosinger, Herman Pontzer","doi":"10.1080/03014460.2024.2310724","DOIUrl":"https://doi.org/10.1080/03014460.2024.2310724","url":null,"abstract":"Pastoralists live in challenging environments, which may be accompanied by unique activity, energy, and water requirements.Few studies have examined whether the demands of pastoralism contribute to...","PeriodicalId":50765,"journal":{"name":"Annals of Human Biology","volume":"8 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2024-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140036023","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Annals of Human BiologyPub Date : 2024-02-01Epub Date: 2024-10-21DOI: 10.1080/03014460.2024.2415983
William Johnson
{"title":"Preece & Baines (1978): essential reading for anyone wanting to model human physical growth curves.","authors":"William Johnson","doi":"10.1080/03014460.2024.2415983","DOIUrl":"https://doi.org/10.1080/03014460.2024.2415983","url":null,"abstract":"","PeriodicalId":50765,"journal":{"name":"Annals of Human Biology","volume":"51 1","pages":"2415983"},"PeriodicalIF":1.2,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142479809","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Phylogeographic analysis of Y-chromosomal haplogroup C2a-M48-F8472, a minor paternal lineage of Han populations with possible ancestry of Xiongnu.","authors":"Xian-Peng Zhang, Hui-Xin Yu, Jin Sun, Hui Li, Kai-Jun Liu, Lan-Hai Wei","doi":"10.1080/03014460.2024.2398610","DOIUrl":"10.1080/03014460.2024.2398610","url":null,"abstract":"<p><strong>Background: </strong>Y-chromosome haplogroup C2a-M48-F8472, a unique paternal line in the ancient Xiongnu population, is concentrated in the modern Han people. The most closely related lineage of this paternal lineage is mainly distributed in Tungusic-, Mongolic-, and Turkic-speaking populations.</p><p><strong>Aim: </strong>To investigate the formation process of this unique distribution state.</p><p><strong>Subjects and methods: </strong>In total, 36 sequences of haplogroup C2a-M48-F8472 were analysed to generate a revised phylogenetic tree with age estimation and to explore the geographic distribution pattern.</p><p><strong>Results: </strong>The results suggested that northern China is likely the diffusion centre of this paternal haplogroup. This lineage is concentrated in the Liu clan () of Han populations and may have originated in the Tuge tribe () of Xiongnu populations. The initial expansion (∼2,600 years ago) and the second phase of expansion (∼1,570 years ago) of haplogroup C2a-M48-F8472 coincide with the earlier appearance and later disappearance of the Tuge tribe. As a sub-clade of M48, the history of F8472 suggested that ancient peoples related to Tungusic-speaking populations were intricately connected with the demographic history of populations in the Mongolian Plateau.</p><p><strong>Conclusion: </strong>The appearance of this paternal line in the Han population is helpful for understanding the mixed history of ancient and modern people in the Mongolian Plateau and Central China.</p>","PeriodicalId":50765,"journal":{"name":"Annals of Human Biology","volume":"51 1","pages":"2398610"},"PeriodicalIF":1.2,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142570356","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}