Results 61 to 70 of about 22,384 (236)

How do medical researchers make causal inferences? [PDF]

open access: yes, 2019
Bradford Hill (1965) highlighted nine aspects of the complex evidential situation a medical researcher faces when determining whether a causal relation exists between a disease and various conditions associated with it.
Dammann, Olaf   +2 more
core   +1 more source

Early‐Life Nutritional Supplements, Household Environments, and Air Pollution Associated With Children's Helicobacter pylori Infection: A Chinese Multicenter Mother‐Child Study

open access: yesSafety Science and Technology, EarlyView.
Early‐life intake of nutritional additives, particularly during pregnancy and the early postnatal period, reduces the risk of Helicobacter pylori infection (HPI) in children by enhancing immune function and preventing gastrointestinal infections through proper nutrition, supporting the “(Pre‐)Fetal origins of HPI” hypothesis through the “gut–uterine ...
Chan Lu   +5 more
wiley   +1 more source

Prenatal nicotine exposure enhances Cx43 and Panx1 unopposed channel activity in brain cells of adult offspring mice fed a high-fat/cholesterol diet

open access: yesFrontiers in Cellular Neuroscience, 2014
Nicotine, the most important neuroteratogen of tobacco smoke, can reproduce brain and cognitive disturbances per se when administered prenatally. However, it is still unknown if paracrine signaling among brain cells participates in prenatal nicotine ...
Juan Andrés Orellana   +6 more
doaj   +1 more source

CONSEQUENCES OF PRENATAL AND POSTNATAL EXPOSURE TO PASSIVE SMOKING ON CHILDREN [PDF]

open access: yesRomanian Journal of Pediatrics, 2008
Passive tobacco smoking is responsible for the prenatal and postnatal negative health effects on children. The consequences of maternal smoking during pregnancy included: placenta alterations, intrauterine growth retardations, low birth weight ...
Voichița Hurgoiu
doaj   +1 more source

In utero and childhood polybrominated diphenyl ether (PBDE) exposures and neurodevelopment in the CHAMACOS study. [PDF]

open access: yes, 2013
BackgroundCalifornia children's exposures to polybrominated diphenyl ether flame retardants (PBDEs) are among the highest worldwide. PBDEs are known endocrine disruptors and neurotoxicants in animals.ObjectiveHere we investigate the relation of in utero ...
Bradman, Asa   +8 more
core   +1 more source

Left and right myocardial performance indices in growth‐restricted fetuses: systematic review and meta‐analysis

open access: yesUltrasound in Obstetrics &Gynecology, EarlyView.
ABSTRACT Objectives To evaluate alterations in fetal cardiac function in pregnancies complicated by fetal growth restriction (FGR) by synthesizing evidence on myocardial performance index (MPI) and its constituent parameters for both the left and right ventricles.
A. Sirico   +4 more
wiley   +1 more source

Association of Cat Sensitization With Comorbid Asthma in Patients With Allergic Rhinitis: A Real‐World Study

open access: yesWorld Journal of Otorhinolaryngology - Head and Neck Surgery, EarlyView.
ABSTRACT Background The prevalence of allergic rhinitis (AR) and asthma (AS) comorbidity (AR + AS) is increasing and is associated with severe allergic symptoms. The impact of cat dander sensitization on AR + AS remains unclear. Methods In this retrospective study, 1154 patients with AR alone and 213 patients with AR + AS were enrolled at the Third ...
Wei‐Hao Wang   +5 more
wiley   +1 more source

Advances in research on prenatal tobacco exposure and allergic diseases in children

open access: yesXin yixue
Allergic diseases are chronic inflammatory disorders triggered by the interaction of genetic predisposition and environmental factors, significantly impacting child health.
Yu LONG, Yuxia CUI
doaj   +1 more source

In utero exposure to cigarette smoking, environmental tobacco smoke and reproductive hormones in US girls approaching puberty [PDF]

open access: yes, 2015
BACKGROUND/AIMS: Evidence is unclear whether prenatal smoking affects age at menarche and pubertal development, and its impact upon hormones has not been well studied. We aim to identify potential pathways through which prenatal smoking and environmental
Addo, O. Yaw   +5 more
core   +1 more source

Prenatal and childhood exposure to smoking and retinal nerve fibre layer thickness: A meta‐analysis of three independent birth cohorts

open access: yesActa Ophthalmologica, EarlyView.
Abstract Purpose To examine retinal nerve fibre layer (RNFL) characteristics in relation to prenatal and postnatal smoking exposure in three independent birth cohorts: two Danish and one Australian cohort. Methods A combined meta‐analysis of peripapillary retinal nerve fibre thickness in the Copenhagen Prospective Studies on Asthma in Childhood 2000 ...
Linna Zhu   +8 more
wiley   +1 more source

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