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Association of Birth Order with Cardiovascular Disease Risk Factors in Young Adulthood: A Study of One Million Swedish Men
(Public Library of Science, 2013-05-16)
Background: Birth order has been suggested to be linked to several cardiovascular disease (CVD) risk factors, but the evidence is still inconsistent. We aim to determine the associations of birth order with body mass index ...
The Association Between Puberty Timing and Body Mass Index in a Longitudinal Setting: The Contribution of Genetic Factors
(Springer, 2022)
[EN] We analyzed the contribution of genetic factors on the association between puberty timing and body mass index (BMI) using longitudinal data and two approaches: (i) genetic twin design and (ii) polygenic scores (PGS) ...
Genetics of Somatotype and Physical Fitness in Children and Adolescents
(Wiley, 2021-05)
Objectives To analyze the influence of genetic and environmental factors on the variation in somatotype, physical fitness, and their mutual associations. Methods Twins from 214 pairs (87 monozygotic) of the Autonomous ...
Smoking remains associated with education after controlling for social background and genetic factors in a study of 18 twin cohorts
(Nature, 2022)
We tested the causality between education and smoking using the natural experiment of discordant twin pairs allowing to optimally control for background genetic and childhood social factors. Data from 18 cohorts including ...
Association of Current and Former Smoking With Body Mass Index: a Study of Smoking Discordant Twin Pairs From 21 Twin Cohorts
(Public Library Science, 2018-07-12)
Background
Smokers tend to weigh less than never smokers, while successful quitting leads to an increase in body weight. Because smokers and non-smokers may differ in genetic and environmental family background, we ...
Birth size and gestational age in opposite-sex twins as compared to same-sex twins: An individualbased pooled analysis of 21 cohorts
(Nature Publishing, 2018-04-19)
It is well established that boys are born heavier and longer than girls, but it remains unclear whether birth size in twins is affected by the sex of their co-twin. We conducted an individual-based pooled analysis of 21 ...
Genetic and environmental influences on human height from infancy through adulthood at different levels of parental education
(Nature, 2020-05-14)
Genetic factors explain a major proportion of human height variation, but differences in mean stature have also been found between socio-economic categories suggesting a possible effect of environment. By utilizing a ...
Genetic and environmental variation in educational attainment: an individual-based analysis of 28 twin cohorts
(Nature, 2020-07-29)
We investigated the heritability of educational attainment and how it differed between birth cohorts and cultural-geographic regions. A classical twin design was applied to pooled data from 28 cohorts representing 16 ...
Associations Between Birth Size and Later Height From Infancy Through Adulthood: an Individual Based Pooled Analysis of 28 Twin Cohorts Participating in the Codatwins Project
(Elsevier Ireland, 2018-05)
Background: There is evidence that birth size is positively associated with height in later life, but it remains unclear whether this is explained by genetic factors or the intrauterine environment.
Aim: To analyze the ...
Does the sex of one’s co-twin affect height and BMI in adulthood? A study of dizygotic adult twins from 31 cohorts
(Biomed Central, 2017-04-27)
Background: The comparison of traits in twins from opposite-sex (OS) and same-sex (SS) dizygotic twin pairs is considered a proxy measure of prenatal hormone exposure. To examine possible prenatal hormonal influences on ...