Diet News and Research

Latest Diet News and Research

Ketone body can strengthen the fitness and antitumor activity of CAR T cells

A naturally occurring byproduct of liver metabolism–the ketone body, β-hydroxybutyrate (BHB)–can strengthen the fitness and antitumor activity of CAR T cells.

6 Mar 2026

Improving biological age gap may help protect long-term brain health

Improving the gap between your biological age and your chronological age is associated with a lower risk of stroke and improvements in signs of damage in the brain, according to a preliminary study released March 5, 2026, that will be presented at the American Academy of Neurology's 78th Annual Meeting taking place April 18-22, 2026, in Chicago and online.

5 Mar 2026

Study finds toddlers who eat more ultra-processed foods show slightly higher behavioral symptoms

A prospective analysis of 2,077 children in the Canadian CHILD Cohort Study found that higher intake of ultra-processed foods at age three was associated with slightly higher behavioral and emotional symptom scores by age five. Modeling showed that replacing 10% of calories from ultra-processed foods with minimally processed foods was associated with modestly lower symptom scores.

5 Mar 2026

Investing in food fortification provides excellent value in fighting global hidden hunger

A comprehensive new systematic review published in The Journal of Nutrition provides the latest evidence that large-scale food fortification is a highly cost-effective intervention for reducing global malnutrition.

5 Mar 2026

Berries, apples, and citrus linked to greater happiness and optimism

A study links flavonoid-rich diets to sustained happiness and optimism, highlighting the bidirectional relationship between diet and psychological well-being.

5 Mar 2026

Mapping the year-one weight trajectory after stopping GLP-1s

A year after stopping taking weight loss drugs such as Ozempic and Wegovy, people regain, on average, 60% of their lost weight – but beyond this, their weight regain plateaus, with individuals managing to keep off 25% of the weight lost to treatment, say researchers at the University of Cambridge.

4 Mar 2026

A hidden movement map discovered in the brain’s insula

Mayo Clinic researchers have identified a hidden "movement map" deep within the brain - a discovery that could help surgeons reduce side effects from epilepsy procedures and guide future treatments for speech and movement disorders.

4 Mar 2026

Study finds most sustainable diet indices overlook industrial food processing

A scoping review of 57 studies found that most tools used to assess sustainable diets focus on food production and consumption while largely ignoring food processing and other stages of the food system. The findings suggest that overlooking ultra-processed foods and processing impacts may lead to incomplete sustainability assessments and highlight the need for more comprehensive evaluation frameworks.

4 Mar 2026

Dietary fat ratios impact the strength of immune cells and ability to fight disease

The types of fats we consume directly impacts the survival and strength of the body's immune cells and ability to fight disease, researchers have found.

4 Mar 2026

Childhood cavities and gum disease raise adult heart disease risk

The link between childhood oral health and adult heart disease underscores the need for preventive dental care to enhance lifelong cardiovascular health.

4 Mar 2026

Study links high-fat diet to faster breast cancer progression

If you're diagnosed with breast cancer, what should you eat to ensure the best prognosis?

3 Mar 2026

Are socially isolated people more likely to develop cancer? Study of 350,000 adults explores the risk

A large UK Biobank study of more than 350,000 adults found that social isolation, but not loneliness alone, was associated with a modest increase in overall cancer risk during over 11 years of follow-up. The association was stronger in women and appeared partly linked to socioeconomic disadvantage, unhealthy behaviors, and inflammatory processes.

3 Mar 2026

Study finds widespread microplastics in children and suggests diet may shape exposure

Researchers detected 19 types of microplastics in the urine of 10-year-old children, with particles present in over 91% of samples and a median concentration of 250 particles per milliliter. Greater adherence to the Mediterranean diet was associated with shifts in specific microplastic polymers, suggesting dietary patterns may influence exposure pathways.

3 Mar 2026

Puberty reshapes DNA to worsen or reverse insulin resistance

This study uncovers epigenetic changes during puberty that correlate with insulin resistance, offering insights into childhood obesity and metabolic risk.

3 Mar 2026

Brain reward responses shift based on expectations about sweeteners

Elena Mainetto, from Radboud University, Margaret Westwater, from the University of Oxford, and colleagues at the University of Cambridge explored whether they could change how much people enjoy beverages containing sugar or artificial sweeteners by manipulating previous expectations about the drinks.

2 Mar 2026

Experts identify safest and most effective diets for IBS management

This review in Nutrients evaluates the scientific evidence, clinical effectiveness, and safety of major dietary strategies for irritable bowel syndrome, including traditional advice, low-FODMAP, gluten-free, Mediterranean, and starch- and sucrose-reduced diets. It concludes that while the low-FODMAP diet has the strongest short-term evidence, no single approach fits all patients, and dietitian-led personalization is essential.

2 Mar 2026

Living in deprived neighborhoods reshapes the gut microbiome

This study reveals links between socioeconomic deprivation and gut microbiome changes, highlighting potential pathways to mental and metabolic health issues.

2 Mar 2026

How zinc deficiency could worsen heart inflammation and what that means for patients

This review examines how zinc regulates inflammatory and redox signaling pathways involved in myocarditis and pericarditis, highlighting mechanisms such as NF-κB inhibition and the redox zinc switch. The authors conclude that maintaining optimal zinc status may support cardiovascular resilience, while emphasizing that clinical translation requires further targeted trials.

1 Mar 2026

Higher tyrosine levels linked to shorter lifespan in major UK Biobank analysis

Researchers analyzed over 272,000 UK Biobank participants and used Mendelian randomization to investigate whether circulating phenylalanine and tyrosine influence lifespan. Genetically predicted higher tyrosine levels were linked to shorter lifespan, particularly in men, while phenylalanine showed no independent effect after adjustment.

1 Mar 2026