Diet News and Research

Latest Diet News and Research

Duke University engineers use robots and AI to improve gut health

Biomedical engineers at Duke University have demonstrated a method for systematically developing novel, complex combinations of probiotics and prebiotics to more effectively maintain gut health and treat various gastrointestinal diseases.

27 Jul 2026

Daily multivitamin improves functional health in older adults, study finds

The ability to perform everyday activities free of debilitating symptoms profoundly affects quality of life as we age.

27 Jul 2026

Milk nutrient levels vary by production method and season

When you pick up a gallon of milk at the store, the nutrients it contains may depend on both what's on the label and the time of year.

27 Jul 2026

Time-restricted eating may help lower dementia risk in older women

Results from a small clinical trial suggest it may be possible to reduce your risk of dementia by eating during fewer hours of the day.

26 Jul 2026

Photo-based calorie-tracking apps fall short in estimating meal nutrition

Thanks to advances in AI, popular calorie-tracking apps can now use a photo of a meal to estimate the nutritional content of what you're eating.

26 Jul 2026

Prebiotic sodas may contain less fiber and more sugar

Prebiotic sodas have become more popular in recent years, with a wave of new products promising gut health benefits and low-calorie enjoyment.

25 Jul 2026

Planetary Health Diet lowers cardiovascular risk in older women

A 20-year study of more than 65,000 postmenopausal women found that higher adherence to the Planetary Health Diet was associated with a lower risk of overall cardiovascular disease, coronary heart disease, stroke and heart failure.

25 Jul 2026

Experts review evidence behind updated protein intake recommendations

A new Perspective published today in The Journal of Nutrition, a peer-reviewed journal of the American Society for Nutrition (ASN), reviews the evidence supporting protein recommendations in the 2025-2030 Dietary Guidelines for Americans and identifies areas where additional research could strengthen future dietary guidance.

24 Jul 2026

Better bait may help stop New World screwworm infestations

Jessica Metcalf's work stinks. Literally. But the Colorado State University professor's research may be key to protecting livestock and wildlife from a flesh-eating parasite.

24 Jul 2026

Smart ring continuously tracks multiple health biomarkers from finger sweat

Engineers at the University of California San Diego created a smart ring that simultaneously and continuously monitors up to four different chemical biomarkers from finger sweat.

24 Jul 2026

MATILDA database reveals wide variation in dietary environmental impacts

Improving diets is one of the world's biggest public health and environmental challenges. More than 2.5 billion adults are now overweight or obese, 88% of countries with available data face a serious burden of two or more forms of malnutrition, and food systems account for between a quarter and a third of global greenhouse gas emissions.

24 Jul 2026

Cleveland Clinic study links gut microbe byproduct to heart arrhythmia

A Cleveland Clinic-led study shows a connection between elevated blood levels of TMAO (trimethylamine N-oxide) - a byproduct of gut bacteria digestion of nutrients found in red meat and other animal products - and a higher risk of atrial fibrillation.

24 Jul 2026

NYU Abu Dhabi scientists discover new vulnerability in malaria parasite

Researchers at NYU Abu Dhabi have discovered that the malaria parasite relies on a specific type of fat to survive and multiply within the human host, uncovering a previously unknown vulnerability that could help guide future treatments.

24 Jul 2026

Cambridge scientists solve brain puzzle behind popular obesity drugs

Cambridge scientists have solved the mystery of why both stimulating and blocking a particular 'switch' in the brain can help people lose weight – findings which could help boost the effectiveness of obesity drugs.

24 Jul 2026

Evidence shows artificial sweeteners cannot be judged as a single group

This narrative review found that non-nutritive artificial sweeteners have compound-specific and context-dependent associations with gut microbiota, metabolism, and health-related outcomes. Evidence does not support treating all sweeteners as uniformly harmful or safe, with human findings often limited or inconsistent.

23 Jul 2026

Lifestyle changes improve MASLD by suppressing key molecular pathway

Lifestyle modification is the cornerstone of managing metabolic dysfunction-associated steatotic liver disease (MASLD), a growing cause of chronic liver disease worldwide.

23 Jul 2026

Study finds greater social jetlag linked to a later eating pattern

In a 14-day study of 101 healthy UK adults, greater social jetlag was associated with a later distribution of energy intake, particularly greater late-evening intake among women. The effects were modest, varied by sex and day type, and did not establish whether total daily energy intake differed between groups.

23 Jul 2026

Study links collagen peptides to improved bone health in runners

Collagen is a protein found in skin, hair, nails, tendons, cartilage, and bones. Our bodies naturally produce collagen using the foods we eat. But, in recent years, collagen peptides have gained popularity as a supplement to support joint, hair, skin, and gut health.

22 Jul 2026

Urbanization reshapes gut microbiomes across diverse South Asian communities

Urbanization is one of the most consequential demographic shifts of the 21st century. As communities move from traditional or rural to urbanized ways of life, changes in diet, lifestyle, and environmental exposures can influence many aspects of human biology and health.

22 Jul 2026

Dietary emissions vary substantially across different stages of life

A new international study published in Nature Food reveals that age plays an important but often overlooked role in shaping global food-related greenhouse gas emissions.

22 Jul 2026