Results 71 to 80 of about 50,476,256 (254)
Validity of age at menarche self-reported in adulthood [PDF]
, 2006 Objective: To test the validity of age at menarche self-reported in adulthood and examine whether socioeconomic position, education, experience of gynaecological events and psychological symptoms influence the accuracy of recall.Design: Prospective birth
Hardy, R +15 more
core +1 more source
Breast Cancer ResearchBackground Elevated mammographic density (MD) for a woman’s age and body mass index (BMI) is an established breast cancer risk factor. The relationship of parity, age at first birth, and breastfeeding with MD is less clear.
Jessica O’Driscoll +53 more
doaj +1 more source
Comparing the paths of Hedgehog release in artificial and natural settings
FEBS Letters, EarlyView.Hh morphogens require solubilization factors to overcome their tight association with the plasma membrane and signal to distant cells, but the precise functions of these factors are controversial. Here, we use published in vivo observations as the most relevant evidence to test their suggested functions and discuss contradictions and gaps between in ...
Janna Puschmann, Kay Grobe
wiley +1 more source
Birth Order and Education: Evidence from a Korean Cohort [PDF]
This paper estimates the effects of birth order on education. This paper is the first to control for the mother’s age at first birth. While previous studies find that earlier-born children are better off, this paper finds no effects.Birth order ...
Cho, Hyunkuk
core
Europe-wide fertility trends since the 1990s: Turning the corner from declining first birth rates
Demographic Research, 2015 Background: In the period 1995-2002 there was a change in trajectory from decline to rise in first birth fertility rates across Europe. Objective: A number of previous studies have looked at the demographic causes of the transition.
Marion Burkimsher
doaj +1 more source
Tumour–host interactions in Drosophila: mechanisms in the tumour micro‐ and macroenvironment
Molecular Oncology, EarlyView.This review examines how tumour–host crosstalk takes place at multiple levels of biological organisation, from local cell competition and immune crosstalk to organism‐wide metabolic and physiological collapse. Here, we integrate findings from Drosophila melanogaster studies that reveal conserved mechanisms through which tumours hijack host systems to ...
José Teles‐Reis, Tor Erik Rusten
wiley +1 more source
Ethnic differentials in the timing of family formation [PDF]
Ethnic differentials in the timing of family formation in Fiji cannot be adequately explained by the norms, characteristics, minority group, and interaction hypotheses.
Heather Booth
core
Birth size, infant growth, and child Bmi at age 5 years in a multiethnic population [PDF]
, 2012 Child overweight is a public health concern and it is imperative that steps are taken to examine early factors that may contribute to this unhealthful start to life.
Oshiro, Caryn Etsuko Shima
core +1 more source
Hijacking emergency granulopoiesis: Neutrophil ontogeny and reprogramming in cancer
Molecular Oncology, EarlyView.Neutrophils are highly plastic innate immune cells; their functions in cancer extend beyond the tumour microenvironment. This Review summarises current understanding of neutrophil maturation and heterogeneity and highlights tumour‐induced granulopoiesis as a systemic programme that expands immature, immunosuppressive neutrophils via tumour‐derived ...
Gabriela Marinescu, Yi Feng
wiley +1 more source
What Are the Determinants of Delayed Childbearing and Permanent Childlessness in the United States? [PDF]
This paper presents estimates of delayed childbearing and permanent childlessness in the United States and the determinants of those phenomena.The estimates are derived by fitting the Coale-McNeil marriage model to survey data on age at first birth and ...
David E. Bloom, James Trussell
core