Results 91 to 100 of about 46,283 (291)

Maternal expressions of warmth and negativity and adolescent mental health: using longitudinal monozygotic twin‐difference analyses to approach causal inference

open access: yesJournal of Child Psychology and Psychiatry, EarlyView.
Background Emotions that mothers express about their offspring are associated with offspring mental health during childhood, but little research has explored whether this extends into adolescence. We investigated associations between maternal warmth and negativity towards twin offspring at age 10, and subsequent mental health outcomes in early and late
Alice Wickersham   +10 more
wiley   +1 more source

Occurrence of Different External Ear Deformities in Monozygotic Twins: Report of 2 Cases

open access: yesPlastic and Reconstructive Surgery, Global Open, 2014
Summary: Microtia is a spectrum of congenital deformities, which varies from barely discernable to anotia. Twinning is a well-known risk factor for congenital defects including external ear deformities.
Jin-Tian Hu, MD   +5 more
doaj   +1 more source

Earnings Mobility and Origin Dependence: What can twins say together with nonparametric econometrics? [PDF]

open access: yes
This study focuses on earnings immobility and its relation to the originin terms of both the social background and the initial position in the earnings distribution. Twin data is used to reveal the importance for the common background for immobility.
Nilsson, William
core   +1 more source

Diet and bone mineral density study in postmenopausal women from the TwinsUK registry shows a negative association with a traditional English dietary pattern and a positive association with wine [PDF]

open access: yes, 2011
Background: The effect of diet on bone mineral density (BMD) remains controversial, mainly because of difficulties in isolating dietary factors from the confounding influences of age, lifestyle, and genetic factors.
Aedín Cassidy   +24 more
core   +1 more source

Monozygotic Twinning in Mice [PDF]

open access: yesJournal of Medical Genetics, 1965
Wallace, M E, Williams, D A
openaire   +3 more sources

Geographic Tongue in Monozygotic Twins

open access: yesJOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH, 2014
This article discusses a case of 5-year-old girl monozygotic twins who were suffering from geographic tongue (GT), a benign inflammatory disorder of the tongue which is characterized by circinate, irregular erythematous lesions on the dorsum and lateral borders of the tongue caused by loss of filiform papillae of the tongue epithelium.
openaire   +4 more sources

Two's company: Monozygotic twinning in the small‐spotted catshark (Scyliorhinus canicula)

open access: yesJournal of Fish Biology, EarlyView.
Abstract Developmental abnormalities in elasmobranchs (sharks and rays) are rarely documented, with reported cases primarily involving fin or cranial deformities. Monozygotic twinning, the formation of identical twins from a single zygote, is particularly rare in these species and has been observed overwhelmingly in viviparous elasmobranchs.
Andrej A. Gajić   +6 more
wiley   +1 more source

Marital Status and Unobserved Heterogeneity - Do twins suggest a genetic inheritance? [PDF]

open access: yes
The purpose of this study is to reveal the importance of unobserved heterogeneity on marital status. The results for monozygotic (identical) and dizygotic twins indicate an important genetic component in marital status.
Nilsson, William
core   +1 more source

Ageing And Cancer As Diseases Of Epigenesis [PDF]

open access: yes, 2009
Cancer and ageing are often said to be diseases of development. During the past fifty years, the genetic components of cancer and ageing have been intensely investigated since development, itself, was seen to be an epiphenomenon of the genome.
Gilbert, Scott F.
core   +2 more sources

Overstated association between adolescent physical fitness and adulthood depression risk due to familial factors

open access: yesJournal of Internal Medicine, EarlyView.
Abstract Objective Examine the association between adolescent cardiorespiratory fitness and future risk of depression and dispensation of antidepressants, including the role of familial confounding. Methods A cohort study with sibling‐comparisons based on Swedish men who participated in mandatory military conscription examinations from 1972 to 1995 ...
Marcel Ballin   +4 more
wiley   +1 more source

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