<p><i>Importance</i>: Two pathways have been hypothesized for the development of cutaneous melanoma: one typically affects the head and neck, a site with chronic sun damage, and the other affects the trunk, which is less exposed to the sun. However, the possible cause of limb melanomas is less studied under this hypothesis.</p> <p><i>Objective</i>: To investigate the association between phenotypic ...

While sociodemographic predictors of cervical cancer (CC) are well understood, predictors of high-risk (HR) human papillomavirus (HPV) infection have not been fully elucidated. This study explored the HR-HPV infection positivity in relation to sociodemographic, sexual behavior characteristics and knowledge about HPV and CC prevention among women who visited the Arkhangelsk clinical maternity hospital ...

<p><i>Introduction</i>: Lifetime number of years of menstruation (LNYM) reflects a woman's cumulative exposure to endogenous estrogen and can be used as a measure of the combined effect of reproductive factors related to endometrial cancer (EC) risk.</p> <p><i>Material and methods</i>: We aimed to study the association between LNYM and EC risk among postmenopausal women and calculate the population ...

Studies on the association between heavy coffee consumption and risk of less frequently diagnosed cancers are scarce. We aimed to quantify the association between filtered, boiled, and total coffee consumption and the risk of bladder, esophageal, kidney, pancreatic, and stomach cancers. We used data from the Norwegian Women and Cancer Study and the Northern Sweden Health and Disease Study. Information ...

Alzheimers sykdom er den vanligste årsaken til demens, dernest karsykdom som forårsaker vaskulær demens. De fleste som får Alzheimers demens etter 65 års alder (late onset Alzheimer’s Disease, LOAD), har ikke sykdommen i familien fra tidligere. Men opptil 25 % av dem som får LOAD, har biologiske slektninger med LOAD. Personer i familier med opphopning av LOAD, har økt risiko for å få LOAD. Det er ...

Little is known about how people living in the aftermath of cancer treatment experience and manage worries about possible signs of cancer relapse, not as an individual enterprise but as socially embedded management. One-year ethnographic fieldwork was conducted in a coastal village of under 3000 inhabitants in northern Norway. Ten villagers who had undergone cancer treatment from six months to five ...

<p><i>Introduction</i>: Maternal age is an established risk factor for cesarean section; epidural analgesia and oxytocin augmentation may modify this association. We investigated the effects and interactions of oxytocin augmentation, epidural analgesia and maternal age on the risk of cesarean section.</p> <p><i>Material and methods</i>: In all, 416 386 nulliparous women with spontaneous onset of ...

<i>Introduction - </i>In this study, we examined changes in depot medroxyprogesterone acetate (DMPA) prescriptions over a time‐period when new professions started prescribing, and when the method gained some negative media attention.<br><br> <i>Material and methods - </i>The Norwegian Prescription Database provided data on hormonal contraception from 2006 through 2012. We estimated the annual number ...

Several researchers have raised the concern that the cross-sectional association of retrospectively reported childhood adversity with self-reported onset of asthma and chronic bronchitis in adulthood may be confounded, as well as mediated by an individual's mental health. The aim of this study was to assess the effect of retrospectively reported childhood adversity on self-reported onset of asthma ...

While most early childhood education and care (ECEC) programs taken to scale in the United States have served socially disadvantaged 3- to 5-years-olds, Norway scaled up universal ECEC from age 1. We investigated the consequences of Norway’s universal ECEC scale-up for children’s early language skills, exploiting variation in ECEC coverage across birth cohorts and municipalities in a population-based ...