Diet & Nutrition News and Research

Latest Diet & Nutrition News and Research

AI ingredient swaps make meals healthier and more affordable

An artificial intelligence framework that suggests just one to three ingredient swaps can make meals meaningfully more nutritious and less expensive, according to a new study published in the open-access journal PLOS Digital Health by Trevor Chan and Ilias Tagkopoulos of the University of California, Davis, USA.

28 May 2026

LSU study examines how restrained sitting limits early childhood movement

Researchers at LSU's Pennington Biomedical Research Center, in collaboration with investigators from 32 countries participating in the SUNRISE International Study, have published new findings examining how restrained sitting contributes to daily movement patterns in early childhood.

28 May 2026

Adding herbs and spices makes people choose more vegetables

Enhancing vegetable flavor with spices and offering larger servings can significantly improve vegetable intake in cafeterias, promoting healthier choices.

28 May 2026

How common spices may improve gut, brain, and metabolic health

The health effects of spices are explored, revealing their potential to influence blood sugar, inflammation, and brain function through various mechanisms.

28 May 2026

Study shows mandatory fortification shields infants from vitamin D deficiency

The majority of young children showed good vitamin D status, no child had indications of deficiency, but among some intake was too low. This is the result of a study encompassing over 1,800 infants in Sweden. Foods providing children with vitamin D also contributed to greenhouse gas emissions.

28 May 2026

Vitamin deficiencies may contribute to chronic fatigue and low motivation

With less time and more work, chronic fatigue has become a moniker of modern society. However, this not only reduces the quality of life but also constitutes as a social issue that affects work efficiency and leads to accidents.

28 May 2026

How do everyday spices help protect the heart?

A Nutrition Reviews supplement article reviewed controlled studies showing that culinary spice and herb blends may improve selected cardiometabolic risk markers, including post-meal triglycerides, insulin responses, inflammation, endothelial function, and 24-hour blood pressure. The review also highlighted exploratory evidence that spices and herbs may influence immune-cell activity, circulating phytochemical metabolites, and gut bacterial composition, while emphasizing the need for longer and more diverse studies.

27 May 2026

Early pregnancy interventions improve healthy gestational weight gain outcomes

Both too little and too much weight gain during pregnancy are associated with serious maternal and child health outcomes, including preterm birth, low birth weight, death, preeclampsia, and unplanned cesarean delivery.

27 May 2026

New mathematical model tracks microbial contribution to human digestion

Food labels make calories seem simple. They show the number of calories per serving, which is calculated based on how much fat, carbohydrates and protein the food contains.

27 May 2026

Heart health before pandemic influenced severity of COVID-19 infections

Better heart health before the pandemic was linked to a lower risk of severe COVID-19 events, according to research published today in the Journal of the American Heart Association, an open-access, peer-reviewed journal of the American Heart Association.

27 May 2026

Can AI help build a fairer food system from farm to plate?

AI could help make food systems more personalized and climate-resilient by linking nutrition, health, farming, logistics, and sustainability data. The review highlights promise in precision nutrition, vertical farming, traceability, and smarter supply chains, while warning that privacy, equity, energy use, data silos, and governance gaps must be addressed.

27 May 2026

Persistent gut microbiome changes linked to sustained colorectal cancer risk

More than a decade after removal of an adenoma-a precancerous mass-from the colon, alterations to the gut microbiome and metabolites remain and may drive heightened risk of colorectal cancer (CRC), according to a new study led by researchers at Harvard T.H. Chan School of Public Health.

27 May 2026

Mount Sinai opens integrated clinical center for womens health

The Mount Sinai Health System is opening the Carolyn Rowan Center for Women's Health and Wellness, a transformative new model for women's health that brings together multidisciplinary clinical expertise, structured care pathways, and leading-edge research innovation to deliver more personalized, comprehensive care for women across the entire lifespan.

27 May 2026

Poor lipid metabolism may reduce cognitive performance in teens

A new Finnish study shows that blood markers of dysfunctional lipid metabolism are associated with poorer cognitive function in 15-17-year-olds.

27 May 2026

Healthy hearts prior to pandemic reduced severe COVID-19 risk

27 May 2026

How the right diet could support the gut bacteria that matter most

This review examines how gut keystone bacteria shape microbiome stability, disease risk, and responses to diet. It highlights why better identification methods, experimental validation, and precision diet-probiotic strategies are needed to restore gut homeostasis.

26 May 2026

Retatrutide reshapes metabolism in obesity and type 2 diabetes, study finds

Retatrutide altered circulating metabolites and lipids linked to fatty acid oxidation and insulin resistance in people with obesity, with or without type 2 diabetes. These biomarker changes suggest improved metabolic health, but the post-hoc analysis remains hypothesis-generating and does not prove direct clinical benefit.

26 May 2026

Rare dual transplant gives Michigan patient a second chance

After nearly two decades of life-threatening illness, repeated complications, and organ failure, 33-year-old Briana Dery of Twining, Mich., is looking ahead to a healthy future, after successfully undergoing one of the rarest and most complex procedures in modern medicine.

26 May 2026

Guava juice boosts hemoglobin levels in women with anemia

Regular guava juice consumption may prove a readily accessible and affordable addition to helping lower the risk of anemia in women in low and middle income countries, suggests a synthesis of the available evidence, published in the open access journal BMJ Nutrition Prevention & Health.

26 May 2026