Publications by authors named "Sean Millar"

Background: Research has demonstrated positive associations between adverse childhood experiences (ACEs) and substance use behaviours in young adults. However, many of these are based on cross-sectional data. The pathway between ACEs and substance misuse among emerging adults is also not fully understood and few studies have investigated potential mediating factors.

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Background And Aims: Studies have consistently demonstrated associations between ultra-processed food and drink (UPFD) consumption and non-communicable diseases. However, there is a lack of data investigating relationships between UPFD intake and intermediate cardiometabolic disease markers. In this study we explored UPFD associations with lipoprotein subclasses.

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Background: The Blood Cancer Network Ireland and National Cancer Registry Ireland worked to create an Enhanced Blood Cancer Outcomes Registry (EBCOR). Enhanced data in acute myeloid leukaemia (AML) included an extensive data dictionary, bespoke software and longitudinal follow-up.

Aims: To demonstrate the utility of the database, we applied the data to examine a clinically relevant question: Charlson comorbidity index (CCI) usefulness in predicting AML patients' survival.

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Purpose: Metabolic health phenotypes exist across the body mass index spectrum. Diet may be an important modifiable risk factor, yet limited research exists on dietary patterns in this context. We investigated associations between dietary patterns, reflecting dietary quality, healthfulness and inflammatory potential, and metabolic health phenotypes in adults living with and without obesity.

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Article Synopsis
  • Lipoprotein particle concentrations and size are linked to increased risk of atherosclerosis and cardiovascular disease, indicating the need for public health strategies to promote better dietary choices.
  • This study analyzed data from 2006 adults, examining the relationship between their FSAm-NPS dietary scores and lipoprotein particle characteristics using advanced spectroscopy techniques.
  • The results showed that higher FSAm-NPS scores, which reflect poorer dietary quality, correlated with increased levels of certain harmful lipoprotein particles and a decrease in healthier HDL size, highlighting the importance of a nutritious diet for cardiovascular health.
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Background: Mental disorders are a growing public health concern and evidence has linked chronic low-grade inflammation with depression and well-being. Research also suggests that certain modifiable lifestyle factors such as smoking, alcohol use, physical activity, diet quality and BMI are related to psychological health. These may modulate the relationship between low-grade inflammation and mental health conditions.

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Background: Obesity and mental health are significant global health concerns. Evidence has linked increased adiposity with depression and well-being; however, there is limited documented evidence in Ireland. Research also suggests lifestyle factors and disease conditions to be related to mental health.

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Background: Exposure to adverse childhood experiences (ACEs) has been linked with increased cardiometabolic risk in adulthood. Low-grade systemic inflammation may underlie this association. Thus far, however, there has been limited investigation of later life inflammatory biomarkers in the context of childhood adversity.

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Objectives: The purpose of our study was to determine the order in which science and health researchers read scientific papers, their reasons for doing so and the perceived difficulty and perceived importance of each section.

Study Design And Setting: An online survey open to science and health academics and researchers distributed via existing research networks, X (formerly Twitter), and LinkedIn.

Results: Almost 90% of respondents self-declared to be experienced in reading research papers.

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Background: Evidence has linked low-grade systemic inflammation and visceral adipose tissue (VAT) with development of chronic conditions. Cytokines and select proteins released by VAT may promote a low-grade inflammatory response. A number of equations have been developed to estimate VAT levels.

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Purpose: There is increasing interest in the health benefits of plant-based diets (PBDs). Evidence reports favourable associations with inflammatory profiles and reduced cardiovascular disease risk. However, limited studies have examined relationships between PBD indices (PDIs) and inflammatory biomarkers.

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The Cork and Kerry Diabetes and Heart Disease Study was established to investigate the prevalence of diabetes and cardiovascular disease among middle-aged adults in Ireland. The Mitchelstown cohort was recruited from a single large primary care centre between 2010-2011. A rescreen of this cohort was conducted in 2015.

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Background And Aims: Plant-based diets (PBDs) are associated with favourable lipid profiles and cardiometabolic outcomes. However, limited data regarding PBD indices (PDIs) and lipoprotein subclasses exist. We examined overall PDI, healthful PDI (hPDI) and unhealthful PDI (uPDI) associations with lipid and lipoprotein profiles.

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Background: Clinical research nurses are a key part of the clinical trial team but typically get involved later in the trial, usually during recruitment. The purpose of our study was to establish if CRNs who read the trial protocol can predict the performance of the trial.

Methods: We randomly selected 18 trial protocols with three statuses, terminated, withdrawn, and completed, from ClinicalTrials.

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Background: Adverse childhood experiences (ACE) have been associated with poor later life health outcomes, including cardiovascular disease (CVD). Limited research investigating potential underlying biological mechanisms linking ACE to CVD exists, particularly regarding lipid biomarkers.

Objectives: The aim of this study was to examine the associations between childhood adversity and unfavourable lipid profiles and derived atherogenic risk indices in a middle-to-older aged population.

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Background: There has been considerable debate around the liberalization of cannabis laws in many countries. Given recent changes in cannabis policy, and the current discussion regarding cannabis legalization in Ireland, the aim of this study was to examine changes in attitudes over time towards permitting recreational cannabis use.

Methods: We analyzed data from Ireland's 2002/03 (n = 4918); 2006/07 (n = 4967); 2010/11 (n = 5119); 2014/15 (n = 5937); 2019/20 (n = 3982) National Drug Prevalence Surveys.

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Background: Public awareness of the carcinogenic effects of alcohol is low, particularly the association between alcohol use and the risk of developing breast cancer. Breast cancer is the third most common cancer in Ireland and alcohol use remains high. This study examined factors related to awareness of the association between alcohol use and breast cancer risk.

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Background: Alcohol use is a leading risk factor for death and disability and there is a need for evidence-based policy measures to tackle excess alcohol consumption and related harms. The aim of this study was to examine attitudes towards alcohol control measures among the general public in the context of significant reforms undertaken in the Irish alcohol policymaking landscape.

Methods: A representative household survey was conducted among individuals aged 18+ years in Ireland.

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Stress granules (SGs) are cytosolic biomolecular condensates that form in response to cellular stress. Weak, multivalent interactions between their protein and RNA constituents drive their rapid, dynamic assembly through phase separation coupled to percolation. Though a consensus model of SG function has yet to be determined, their perceived implication in cytoprotective processes (, antiviral responses and inhibition of apoptosis) and possible role in the pathogenesis of various neurodegenerative diseases (, amyotrophic lateral sclerosis and frontotemporal dementia) have drawn great interest.

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Low-grade systemic inflammation is associated with a range of conditions. Diet may modulate inflammation and public health strategies are needed to guide consumers' dietary choices and help prevent diet-related disease. The Food Standards Agency nutrient profiling system (FSAm-NPS) constitutes the basis of the five-colour front-of-pack Nutri-Score labelling system.

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Purpose: To assess relationships between the Dietary Approaches to Stop Hypertension (DASH), Mediterranean Diet (MD), Dietary Inflammatory Index (DII) and Energy-adjusted DII (E-DII™) scores and pro-inflammatory cytokines, adipocytokines, acute-phase response proteins, coagulation factors and white blood cells.

Methods: This was a cross-sectional study of 1862 men and women aged 46-73 years, randomly selected from a large primary care centre in Ireland. DASH, MD, DII and E-DII scores were derived from validated food frequency questionnaires.

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Background/objectives: Certain lifestyle behaviours may have a protective effect against low-grade systemic inflammation, which is linked to chronic disease. Our objective was to examine associations between a five-component protective lifestyle behaviour (PLB) score and a range of pro-inflammatory cytokines, adipocytokines, acute-phase response proteins, coagulation factors and white blood cells.

Subjects/methods: This was a cross-sectional study of 2045 middle-to-older aged men and women.

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Introduction: Given the increased prevalence of cannabis use in Ireland and increase in cannabis potency, this study aimed to estimate the size of the potential population in Ireland that may be in need of cannabis treatment and the percentage of people with cannabis use disorder (CUD) who actually access treatment. We also compared the profile of those with CUD in the general population to those who receive treatment for their cannabis use to explore whether certain subgroups are more or less likely to enter treatment.

Method: This was a retrospective, multi-source database study.

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Background And Objectives: Epidemiological studies show that the use of cannabis is related to the use of other illicit drugs, including stimulants such as cocaine and ecstasy. However, few studies have examined how patterns of cannabis use relate to the use of stimulants. In this research we determined relationships between patterns of cannabis use and recent stimulant use, drawing on data from two large nationally representative surveys.

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