43 papers
Nutrition science explores how the food we eat shapes our health, from cellular function to long-term disease prevention. This field moves beyond simple dietary advice to investigate complex biological mechanisms, nutrient interactions, and the impact of eating patterns on public well-being. Because research evolves rapidly, staying current with the latest findings is essential for understanding what truly drives better health outcomes.
At Gist.Science, we monitor medRxiv to ensure you never miss a breakthrough in nutrition research. We process every new preprint uploaded to this category, transforming dense scientific manuscripts into both accessible plain-language overviews and detailed technical summaries. This dual approach allows everyone from curious readers to specialists to grasp the significance of emerging data without getting lost in jargon.
Below are the latest papers in nutrition, freshly processed and ready for you to explore.
This study reveals that exposure to food additives, particularly high-intensity sweeteners and sugar polyols, is independently associated with reduced gut microbiota diversity and can attenuate the beneficial effects of vegetable-rich diets, highlighting the critical impact of additives even when packaged foods constitute a small portion of total intake.
This longitudinal study of 168 pregnant Black women reveals that higher cortisol reactivity is associated with lower ferritin levels in the third trimester, while higher basal cortisol predicts increased ferritin via IL-6-mediated inflammation, suggesting that maternal stress physiology significantly influences iron status during pregnancy.
This mixed-methods study reveals that nearly half of child-targeted ultra-processed foods in Brazil contain food colorings, particularly in beverages and sweets, and highlights that while parents recognize the health risks and marketing intent of these additives, they struggle to avoid them, underscoring the need for stricter regulations and improved labeling.
Utilizing an Endogenous Switching Regression model on data from 521 rural households in Tigray, Ethiopia, this study finds that while out-migration creates labor shortages that constrain local food production, remittance inflows significantly improve food consumption outcomes and dietary diversity by acting as a crucial safety net against shocks and liquidity constraints.
This paper proposes an unsupervised evaluation framework for aligning cross-national branded food databases using large language models, demonstrating through a Japan-US case study that combining product names with minimal nutrient data yields the optimal balance of nutritional proximity and structural consistency without requiring ground-truth labels.
This study utilizing NHANES 2017-2023 data reveals that socioeconomic position significantly modifies the relationship between diet quality and HbA1c levels, demonstrating a protective metabolic effect of healthy eating in low-income adults that is absent in middle-income groups, suggesting that structural factors rather than just dietary intake drive glycemic outcomes.
A nationally representative survey reveals that while UK adults possess moderate knowledge of dietary guidelines, adherence is hindered by social, environmental, and psychological barriers, suggesting that effective population-level improvements require structural changes to the food environment alongside individual behavior change strategies.
Using target trial emulation on data from 1,561 older adults, this study found that adhering to Canada's 2019 Food Guide for three years would attenuate declines in muscle strength and walking speed, with even greater benefits observed when these dietary recommendations were combined with increased protein intake and physical activity.
In a 12-week randomized controlled trial involving healthy adults, a high dietary linoleic acid intake (10% energy) was found to selectively suppress plasma eicosapentaenoic acid (EPA) levels and shift oxylipin metabolism toward an arachidonic acid-dominant profile, without significantly altering levels of other long-chain fatty acids.
This study reveals that socioeconomic factors in Ekiti State, Nigeria, create distinct urban-rural divides in dietary patterns and nutritional knowledge, resulting in a double burden of malnutrition characterized by rising obesity in urban areas and persistent undernutrition in rural communities.