Nutrients
Top medRxiv preprints most likely to be published in this journal, ranked by match strength.
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BackgroundHuman milk (HM) bioactive components can have immune modulatory functions, impact the gut microbiome, and may result in functional benefits when added to infant formula (IF). In this single-arm, prospective, intervention study, we tested the effectiveness of an IF with a whey protein concentrate co-enriched in -lactalbumin, milk fat globule membrane (MFGM), and Sn-2 palmitate resulting in protein and lipid profiles observed in HM. The outcomes tested were feeding tolerance, Bifidobacte...
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Outcomes from the COSMOS trial have reinforced the notion of flavanols as important plant-derived bioactives contributing to cardiovascular health. As discussions continue on whether specific dietary reference values for flavanols are warranted, it is possible that existing dietary guidelines emphasizing fruits and vegetables already yield sufficient flavanol intake levels. If this were the case, developing flavanol specific dietary reference values might be unnecessary. This study therefore aim...
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BackgroundCaloric restriction (CR) improves markers of biological aging, yet long-term effects on the human metabolome remain unclear. ObjectiveThis study examined the effects of CR (2 years) in healthy adults without obesity on circulating metabolites linked to aging and metabolic adaptations. MethodsUntargeted metabolomics was performed using fasted plasma samples collected at baseline, 12, and 24 months (BL, 12M, 24M) from CALERIE participants randomized to CR or ad libitum (AL) control. A ...
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BackgroundPacked lunches are a common feature of early childhood food provision, yet evidence describing their nutritional composition in early years settings remains limited. Understanding the foods provided during this developmental period is important, given the potential influence of early dietary exposures on later health. AimTo characterise the composition, nutritional quality, cost, and dietary patterns of packed lunches brought from home in Early Childhood Education and Care settings, a...
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IntroductionMechanistic research has shown that prior obesity induces durable transcriptomic and epigenetic reprogramming in adipose tissue that persists after weight loss and predisposes individuals to weight regain. This phenomenon, termed obesogenic memory (OM), is currently conceptualized primarily as a molecular process. We propose extending OM beyond adipose tissue biology to include interacting biological and sociocultural processes through which past exposures shape present physiological...
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The gut microbiota has been implicated in regulating body composition, insulin resistance, and energy metabolism through microbial metabolites, including short-chain fatty acids (SCFAs) and amino acids. However, evidence in adolescents, particularly regarding sex-specific differences and lifestyle such as alcohol intake, remains limited. Characterizing sex-specific metabolic signatures in adolescence may improve early identification of metabolic risk. To address this gap, we investigated associ...
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Poor sleep is linked to consumption of sugary foods/beverages and high neural responsivity to palatable food cues. Yet, whether hedonic liking for sweet taste explains these associations remains unclear. We examined cross-sectional associations of five sleep traits (chronotype, sleep duration, insomnia frequency, snoring, daytime dozing) and a composite sleep score with sweet food liking, and total and free sugar intake in 76,734 UK Biobank participants (39-72 years, 56.3% female). Models adjust...
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BackgroundThe surgical stress response is a predictable, physician-managed metabolic state triggered by anesthesia and tissue injury, marked by insulin resistance and hypercatabolism that create unique nutritional needs unmet by standard, pre-surgical fasting diets. We developed a multi-nutrient medical food to support perioperative metabolic homeostasis and piloted its safety/tolerability and exploratory outcomes. MethodsIn a single-center pilot trial (n=67) of adults undergoing elective abdom...
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IntroductionDepression is highly prevalent among young adults worldwide. While research links health behaviours, such as dietary intake, to depression, few studies have examined these associations among young adults in low- and middle-income countries, including South Africa. This study investigated whether dietary intake was associated with an increased risk of depression in a cohort of young South African adults, aged 20-30 years, as part of the Global burden of disease Lifestyle And mental Di...
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BackgroundOverweight and obesity are causing growing public health, economic and clinical burden, particularly within under-resourced communities. There is an urgent need to develop an in-depth understanding of experiences of weight management, and preferences for support within under-resourced communities, with a view to developing more effective weight management interventions. MethodsFocus groups were run in under-resourced communities using storyboarding; a method to facilitate inclusive co...
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ObjectiveTo investigate the burden of environmental enteric dysfunction (EED) and its association with water, sanitation, and hygiene (WASH) and linear growth amongst infants in rural Central Java, Indonesia. Study designA longitudinal study of 119 infants aged between 5-19 months was conducted in five villages of Wonosobo District, Central Java, Indonesia. Anthropometric measurements of infants and their mothers were performed at baseline and 5-month follow-up alongside a quantitative question...
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IntroductionBreastfeeding supports multiple aspects of child development and maternal health. However, research findings are often inconsistent due to methodological limitations, including inadequate control for sociodemographic factors, variation in feeding practices, health conditions across the life course, and heterogeneity in human milk (HM) composition. The Manitoba Interdisciplinary Lactation Center (MILC) is a globally accessible, bench-to-population research platform that enables integr...
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Abstract Background: Enhanced Recovery After Surgery (ERAS) optimizes perioperative management for colorectal cancer (CRC), improving short-term outcomes, but its impact on long-term outcomes remains inconclusive, supporting the need for this meta-analysis. This study evaluates the effect of perioperative ERAS (therapy-focused) on 1-, 2-, 3-, and 5-year postoperative survival in patients with CRC. Methods: We conducted a systematic review and meta-analysis following a pre-registered protocol in ...
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BackgroundSex hormone alterations, such as estrogen deficiency or testosterone excess, substantially increase cardiovascular disease (CVD) risk in females. Dietary fibre and its microbial by-products, short-chain fatty acids (SCFAs), have cardioprotective effects, but it remains unclear whether these benefits extend to females with an altered sex hormone profile. In this study, we aim to investigate whether dietary fibre intake, measured via plasma acetate--the most abundant SCFA--is associated ...
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IntroductionDysglycemia is a well-established risk factor for cardiovascular disease (CVD); yet traditional glycemic traits, including fasting plasma glucose (FPG) and HbA1c, do not capture dynamic glucose fluctuations that may inform CVD risk. We cross-sectionally investigated the association of continuous glucose monitor (CGM)-derived metrics and 2-h post-prandial glucose (2-h PPG) with estimated 10-year CVD risk among individuals without diabetes. MethodsWe included 1,360 Framingham Heart St...
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ImportanceCurrent guidelines from the World Health Organization, Centers for Disease Control and Prevention, and Academy of Breastfeeding Medicine recommend discarding all milk remaining in bottles immediately after infant feeding. However, these recommendations lack supporting microbiological evidence from studies of actual infant feeding, imposing substantial financial and emotional burden on the 78 million families worldwide who bottle-feed their infants. ObjectiveTo determine (1) the financ...
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BackgroundMetabolic vulnerability index (MVX), a novel biomarker of systemic inflammation and metabolic malnutrition, is associated with mortality in patients with cardiovascular diseases. Nevertheless, little is known about its association with cardiometabolic diseases (CMDs) and multimorbidity (CMM). We aimed to examine the associations of MVX with the risk of individual CMDs, their progression to CMM, and all-cause mortality in the general population. MethodsIn a prospective cohort of 218,63...
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BackgroundVitamin D supplementation has been investigated for potential associations with cardiometabolic risk factors related to cardiovascular disease (CVD); however, findings from randomized controlled trials (RCTs) remain inconsistent. This meta-analysis aimed to assess the effects of vitamin D supplementation on cardiometabolic risk factors--including lipid profile, blood pressure, and glycaemic parameters--and to explore whether age and baseline serum vitamin D concentrations modify these ...
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Background Acute malnutrition remains a major public health challenge among children under five in Malawi due to undetected and untreated cases. While several policies and programmes are in place, they face significant resource input and implementation constraints. In this study, we evaluate the potential health impact and cost-effectiveness of three interventions designed to address constraints along the care pathway in childhood acute malnutrition management. These include improving early reco...
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Background and ObjectivesRecent large-scale studies have consistently linked healthy dietary patterns to improved cardiometabolic health; however, the underlying biological pathways remain largely unclear, especially in non-European populations. In this study, we leverage data from four population-based cohorts (UK Biobank, NEO study, GNHS, and 10K) to investigate both common and cohort-specific biological pathways linking healthy dietary patterns to cardiometabolic disease through multi-omics p...