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American Journal of Human Biology: the Official Journal of the Human Biology Council

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https://www.readbyqxmd.com/read/29285838/vasomotor-urogenital-psychological-and-somatic-symptoms-in-association-with-cyp1b1-polymorphisms-in-slovak-women-of-different-menopausal-status
#1
Veronika Candráková Čerňanová, Zuzana Danková, Lenka Vorobeľová, Marta Cvíčelová, Daniela Siváková
OBJECTIVES: The aim of this study was to examine if the Arg48Gly, Ala119Ser, Leu432Val, and Asn453Ser polymorphisms in the CYP1B1 estrogen-metabolizing gene are associated with menopausal symptom experience in healthy Slovak women aged 40-60 years. We also investigated the possible association of other factors with menopausal symptoms, including health status, physical activity, reproductive history, psychological status, and smoking. METHODS: The total sample consisted of 367 women (mean age 49...
December 29, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29282800/height-income-association-in-developing-countries-evidence-from-14-countries
#2
Pankaj C Patel, Srikant Devaraj
OBJECTIVES: The purpose of this study was to assess whether the height-income association is positive in developing countries, and whether income differences between shorter and taller individuals in developing countries are explained by differences in endowment (ie, taller individuals have a higher income than shorter individuals because of characteristics such as better social skills) or due to discrimination (ie, shorter individuals have a lower income despite having comparable characteristics)...
December 28, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29239083/physical-growth-and-diets-of-school-children-trends-from-2001-to-2015-in-rural-west-java-indonesia
#3
Makiko Sekiyama, Katrin Roosita, Ryutaro Ohtsuka
OBJECTIVES: This study aimed to assess changes in physical growth and diets of school children in rural West Java, Indonesia, between 2001 and 2015, a period of rapid socioeconomic change. METHODS: In 2001 and 2015, anthropometric measurements (height, weight, mid-upper arm circumference, skin-fold thickness), food consumption surveys, and questionnaires on socioeconomic status were completed by fourth-grade school children in a rural village in West Java. RESULTS: Height increments of 5...
December 14, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29226590/dheas-patterning-across-childhood-in-three-sub-saharan-populations-associations-with-age-sex-ethnicity-and-cortisol
#4
Courtney Helfrecht, Edward H Hagen, David DeAvila, Robin M Bernstein, Samuel J Dira, Courtney L Meehan
OBJECTIVES: Hormones have many roles in human ontogeny, including the timing of life history 'switch points' across development. Limited hormonal data exist from non-Western children, leaving a significant gap in our understanding of the diversity of life history patterning. This cross-sectional study examines dehydroepiandrosterone sulfate (DHEAS) production in relation to age, sex, ethnicity, and cortisol concentrations, as well as average age of adrenarche, among Aka and Ngandu children of the Central African Republic and Sidama children of Ethiopia...
December 11, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29193490/the-eastern-side-of-the-westernmost-europeans-insights-from-subclades-within-y-chromosome-haplogroup-j-m304
#5
Licínio Manco, Joana Albuquerque, Maria Francisca Sousa, Rui Martiniano, Ricardo Costa de Oliveira, Sofia Marques, Verónica Gomes, António Amorim, Luís Alvarez, Maria João Prata
OBJECTIVES: We examined internal lineages and haplotype diversity in Portuguese samples belonging to J-M304 to improve the spatial and temporal understanding of the introduction of this haplogroup in Iberia, using the available knowledge about the phylogeography of its main branches, J1-M267 and J2-M172. METHODS: A total of 110 males of Portuguese descent were analyzed for 17 Y-chromosome bi-allelic markers and seven Y-chromosome short tandem repeats (Y-STR) loci...
November 29, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29193610/influence-of-weight-concerns-on-breastfeeding-evidence-from-the-norwegian-mother-and-child-cohort-study
#6
Seung-Yong Han, Alexandra A Brewis
OBJECTIVES: High body mass index (BMI) often predicts truncated breastfeeding, although why is unclear. We test a proposed mediating role of body concerns on breastfeeding initiation and child's age at weaning using longitudinal data for 55,522 mothers from the Norwegian Mother and Child Cohort Study (MoBa). METHODS: A linear regression-based mediation analysis with bootstrapping estimates the indirect effects of BMI on breastfeeding decisions (ever-initiation of breastfeeding, child's age at weaning, and duration of any breastfeeding beyond six months) through the variables of concern around prepregnancy weight and weight gains due to pregnancy...
November 27, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29193533/living-conditions-and-change-in-age-of-menarche-in-adult-maya-mothers-and-daughters-from-yucatan-mexico
#7
Hugo Azcorra, Luis Rodríguez, Sudip Datta Banik, Barry Bogin, Federico Dickinson, Maria Ines Varela-Silva
OBJECTIVES: To analyze whether living conditions, experienced by mothers and adult daughters during their childhood, are associated with age at menarche (AAM) in daughters. METHODS: From September, 2011, to January, 2014, AAM and childhood living conditions were collected from a sample of 246 dyads of Maya mothers (mean age = 59.60 years, SD = 8.64) and their adult daughters (mean age = 33.03 years, SD = 5.57) from the cities of Merida and Motul in Yucatan, Mexico...
November 27, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29193504/cohort-based-income-gradients-in-obesity-among-u-s-adults
#8
Jongho Heo, Audrey N Beck, Shih-Fan Lin, Enrico Marcelli, Suzanne Lindsay, Brian Karl Finch
OBJECTIVES: No studies have focused on socioeconomic disparities in obesity within and between cohorts. Our objectives were to examine income gradients in obesity between birth-cohorts (inter-cohort variations) and within each birth-cohort (intra-cohort variations) by gender and race/ethnicity. METHODS: Our sample includes 56,820 white and black adults from pooled, cross-sectional National Health and Nutrition Examination Surveys (1971-2012). We fit a series of logistic hierarchical Age-Period-Cohort models to control for the effects of age and period, simultaneously...
November 27, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29193485/roland-hauspie-april-8-1948-april-25-2017
#9
Noel Cameron, Mathieu Roelants
No abstract text is available yet for this article.
November 27, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29193456/in-memoriam-geoffrey-ainsworth-harrison-1927-2017
#10
Gary D James
No abstract text is available yet for this article.
November 27, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29159983/frequency-of-folate-related-polymorphisms-varies-by-skin-pigmentation
#11
Patrice Jones, Mark Lucock, Martin Veysey, Nina Jablonski, George Chaplin, Emma Beckett
OBJECTIVES: Folate-mediated 1-carbon transfer processes are vital in human health but are susceptible to independent and interactive influences of genetic variance and environmental exposures. Evidence suggests folate levels may be impacted by genetic variance and environmental UVR, with the effect of UVR levels influenced in part by degree of skin pigmentation. Folate-related genes are also influenced by UVR levels; however, the potential relationship between key folate-related genes and skin pigmentation has not yet been explored...
November 21, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29143402/association-between-objectively-measured-sedentary-behavior-and-a-criterion-measure-of-obesity-among-adults
#12
Junbae Mun, Youngdeok Kim, James L Farnsworth, Sunghyeok Suh, Minsoo Kang
OBJECTIVE: Results of published studies on the association between sedentary behavior (SB) and obesity are inconsistent, possibly due to reliance on subjective measures of SB and inappropriate measures of obesity. The aim of this study was to examine the relationship between objectively measured SB and criterion-measured obesity among adults. METHODS: A total of 2284 adults (≥18 years) from the 2003 to 2004 National Health and Nutrition Examination Survey were included in the analysis...
November 16, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29139168/hunter-gatherer-dental-pathology-do-historic-accounts-of-aboriginal-australians-correspond-to-the-archeological-record-of-dental-disease
#13
Judith Littleton
OBJECTIVES: Studies of hunter-gatherer oral pathology, particularly in Australia, often focus upon dental wear and caries or assume that historic studies of Aboriginal people reflect the precontact past. Consequently the range of population variation has been underestimated. In this paper dental pathology from human remains from Roonka are compared with a model of dental pathology derived from historic studies. The aim is to identify aspects of dental pathology indicative of regional or intra-population diversity...
November 15, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29139165/secular-change-in-adult-stature-of-modern-greeks
#14
Andreas Bertsatos, Maria-Eleni Chovalopoulou
OBJECTIVES: In Greece, during the late 19th and early 20th century, the rural population adopted a more or less urban lifestyle. Furthermore, the first half of the 20th century finds Greece involved in five major wars, including a civil war, and consequent financial deprivation. This study investigates how the socioeconomic changes in Greece, during this period of time, have affected the stature of its population. METHODS: The Athens collection constitutes our sample with 189 adult individuals (104 males and 85 females)...
November 15, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29134747/no-sex-difference-in-digit-ratios-2d-4d-in-the-traditional-yali-of-papua-and-its-meaning-for-the-previous-hypotheses-on-the-inter-populational-variability-in-2d-4d
#15
Michalina Marczak, Michał Misiak, Agnieszka Sorokowska, Piotr Sorokowski
OBJECTIVES: The ratio between the 2nd and 4th digit (2D:4D) is considered to be a sexually dimorphic trait in humans, with males having on average lower 2D:4D values than females. However, significant inter- and intra-sexual differences in digit ratios across populations have been reported. In order to further explore factors influencing the variability of 2D:4D, we performed a study among the Yali, a traditional population from Papua. METHODS: We measured digit ratios of 79 adults (47 males) from the traditional Yali society, a polygamous group who inhabit a harsh high-mountain environment almost directly on the equator...
November 14, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29130592/accounting-for-measurement-error-in-human-life-history-trade-offs-using-structural-equation-modeling
#16
Samuli Helle
OBJECTIVES: Revealing causal effects from correlative data is very challenging and a contemporary problem in human life history research owing to the lack of experimental approach. Problems with causal inference arising from measurement error in independent variables, whether related either to inaccurate measurement technique or validity of measurements, seem not well-known in this field. The aim of this study is to show how structural equation modeling (SEM) with latent variables can be applied to account for measurement error in independent variables when the researcher has recorded several indicators of a hypothesized latent construct...
November 11, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29083078/a-decade-of-rapid-change-biocultural-influences-on-child-growth-in-highland-peru
#17
Kathryn S Oths, Hannah N Smith, Max J Stein, Rodrigo J Lazo Landivar
OBJECTIVES: In the past decade many areas of Peru have been undergoing extreme environmental, economic, and cultural change. In the highland hamlet of Chugurpampa, La Libertad, climate change has ruined harvests and led to frequent periods of migration to the coast in search of livelihood. This biocultural research examines how the changes could be affecting the growth of children who maintain residence in the highlands. METHODS: Clinical records from the early 2000s were compared to those from the early 2010s...
October 30, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29083077/separating-the-bruce-and-trivers-willard-effects-in-theory-and-in-human-data
#18
Ralph Catalano, Alison Gemmill, Joan Casey, Deborah Karasek, Holly Stewart, Katherine Saxton
OBJECTIVES: Theories of reproductive suppression predict that natural selection would conserve mechanisms that abort the gestation of offspring otherwise unlikely to thrive in prevailing environments. Research reports evidence among humans of at least two such mechanisms-the Trivers-Willard and Bruce Effects. No literature, however, compares the mechanisms nor estimates their relative contribution to observed characteristics of human birth cohorts. We describe similarities and differences between the Trivers-Willard and Bruce Effects and explore high quality historical data from Sweden to determine which mechanism better describes temporal variation in the ratio of males to females in birth cohorts...
October 30, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29071763/stress-sex-and-plague-patterns-of-developmental-stress-and-survival-in-pre-and-post-black-death-london
#19
Sharon N DeWitte
OBJECTIVES: Previous research revealed declines in survivorship in London before the Black Death (c. 1346-1353), and improvements in survivorship following the epidemic. These trends indicate that there were declines in general levels of health before the Black Death and improvements thereof afterwards. This study expands on previous research by examining whether changes in survivorship were consistent between the sexes, and how patterns of developmental stress markers changed before and after the Black Death...
October 26, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/28726338/household-fear-of-deportation-in-mexican-origin-families-relation-to-body-mass-index-percentiles-and-salivary-uric-acid
#20
Airín D Martínez, Lillian Ruelas, Douglas A Granger
OBJECTIVE: Fear of deportation (FOD) is a prevalent concern among mixed-status families. Yet, our understanding of how FOD shapes human health and development is in its infancy. To begin to address this knowledge gap, we examined the relationship between household FOD, body mass index (BMI) percentiles and salivary uric acid (sUA), a biomarker related to oxidative stress/hypertension/metabolic syndrome, among 111 individuals living in Mexican-origin families. METHODS: Participants were 65 children (2 months-17 years, 49% female) and 46 adults (20-58 years, 71% female) living in 30 Mexican-origin families with at least one immigrant parent in Phoenix, AZ...
November 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
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