Publications by authors named "A G Winquist"

Article Synopsis
  • - The study investigates the link between PFAS exposure and the development of prostate cancer in a large group of U.S. men, following mixed findings from previous research.
  • - Researchers analyzed serum samples from men diagnosed with prostate cancer and a random group without prior cancer, measuring levels of specific PFAS chemicals.
  • - Results indicated that higher PFAS levels (specifically PFHxS and PFOS) were associated with increased prostate cancer risk, particularly in men aged 70 and older, while no significant connections were found for other PFAS types or based on tumor characteristics.
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Introduction: Poor mentalization, or lack of capacity to reflect on self and others in terms mental states, thoughts, and feelings, and time perspective biases were both related to mental disorders and lower wellbeing in separate studies. Expanding one prior study, we examined the relationship of mentalization and time perspective, including a measure known as deviations from the balanced time perspective (DBTP) that summarizes time perspective biases across the past, present, and future time frames.

Method: A convenience sample of 258 participants responded to a version of the Reflective Functioning Questionnaire (RFQ-8) and a six-dimensional version of the Zimbardo Time Perspective Inventory (S-ZTPI).

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Article Synopsis
  • - A study analyzed the presence of SARS-CoV-2 in the feces of lactating women diagnosed with COVID-19 and their breastfed infants, focusing on potential associations with symptoms and fecal shedding.
  • - Involving 57 maternal-infant pairs, the research found that SARS-CoV-2 RNA was present in 25% of mothers and 30% of infants, with fecal shedding lasting between 1-4 weeks.
  • - Despite mothers experiencing various symptoms, the prevalence of symptoms in their infants was similar to healthy control infants, and there was no correlation between the fecal shedding frequency of mothers and their infants, although maternal fever increased the likelihood of infant fecal shedding.
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During March-April 2023, a total of 51 persons reported mild to severe gastrointestinal illness after eating at restaurant A in Bozeman, Montana. The outbreak resulted in multiple severe outcomes, including three hospitalizations and two deaths. After an inspection and temporary restaurant closure, the Montana Department of Public Health and Human Services and Montana's Gallatin City-County Health Department collaborated with CDC to conduct a matched case-control study among restaurant patrons to help identify the source of the outbreak.

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Background: Previous epidemiological studies found associations between exposure to per- and polyfluoroalkyl substances (PFAS) and some cancer types. Many studies considered highly exposed populations, so relevance to less-exposed populations can be uncertain. Additionally, many studies considered only cancer site, not histology.

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