Diet & Nutrition News and Research

Latest Diet & Nutrition News and Research

Genetic factors influence cholesterol response to low-carb diets

Can a low-carb diet cause your cholesterol to skyrocket? This question has vexed researchers and influencers alike as the popularity of low-carbohydrate diets has surged, yet the evidence has remained mixed.

27 Jul 2026

Signals traveling from the gut through the vagus nerve help form memories

When French writer Marcel Proust famously recalled his childhood from the taste of a Madeline cookie, his stomach may have done some of the work.

27 Jul 2026

New survey reveals high mobile food delivery use among teens

Nearly one-quarter of teens reported using mobile food delivery services during school hours and almost half said they use them after school, according to a national survey of over 1,000 U.S. adolescents.

27 Jul 2026

Survey shows Native Americans lack awareness of plant-based diets for diabetes prevention

Although Native Americans experience some of the nation's highest rates of type 2 diabetes and other chronic diseases, a new national survey suggests many have not heard about one of the most effective dietary approaches for preventing and even reversing the disease.

27 Jul 2026

Primary care practices successfully deliver family-based childhood obesity treatment

Childhood obesity affects one in five children in the U.S., yet most families have limited access to specialized weight-management programs for children.

27 Jul 2026

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

Artificial stomach helps design nutrient-rich protein powders for seniors

New nutrient-rich protein powders to boost the health of active older people are being developed with the help of an artificial stomach at Aberystwyth University.

27 Jul 2026

Study finds widespread nutrition concerns in packaged toddler foods

An audit of toddler foods sold at 21 grocery stores in Texas revealed that 4 out of 5 products were ultra-processed and 49% of all products failed to meet at least one nutrient standard established by the World Health Organization (WHO) Nutrition and Promotion Profile Model (NPPM) for commercial foods intended for children aged 6-36 months.

26 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

Unsweetened sparkling water may be safer for teeth than soda

Findings from a new study comparing the effects of different beverages on mouth acidity suggest that unsweetened sparkling water may be better for your teeth than sugar-sweetened soda.

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

FDA-issued sodium targets appear to have minimal impact

In 2021, the U.S. Food and Drug Administration (FDA) issued Phase I voluntary sodium reduction targets to encourage manufacturers to lower the amount of sodium in packaged food products by 2024.

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