Diet News and Research

Latest Diet News and Research

Yeast food supplement helps immune cells fight cancer more effectively

Researchers from Trinity College Dublin (TCD) and University College Dublin (UCD) have shown for the first time that a food supplement made from yeast helps the body to make stronger immune cells that can fight cancer.

9 Jul 2026

Lung tumors hack the nervous system to cause severe cachexia

Cachexia is a condition in which patients affected by cancer or other chronic diseases become sick and lose weight.

9 Jul 2026

Nine gut bacteria linked to future type 2 diabetes risk

Research identifies specific gut microbes associated with future type 2 diabetes risk, emphasizing the impact of dietary fiber on microbiome health.

9 Jul 2026

Maternal diet may subtly shape breast milk immune signals

Research indicates that maternal dietary patterns can subtly affect the immune composition of breast milk, with implications for infant immune development.

9 Jul 2026

Gut-friendly diet linked to lower mortality risk in coronary heart disease

Using NHANES 2005-2018 data, researchers found that adults with coronary heart disease who had higher Dietary Index for Gut Microbiota scores had lower all-cause mortality risk. The association was nonlinear, strongest when scores reached 5 or higher, and remained observational rather than causal.

9 Jul 2026

New Italian data show extreme longevity is spreading beyond the blue zones

A nationwide ecological analysis of Italian regions found that aging and extreme longevity indicators rose steadily from 1982 to 2025, with northern and central regions generally leading. Regional patterns linked higher longevity indices to lower diabetes and cerebrovascular mortality and healthier contemporary nutrition profiles, while Cilento emerged as a notable southern hotspot.

9 Jul 2026

LEAP2 hormone may predict anorexia nervosa relapse risk

People with anorexia nervosa have unusually high levels of a hormone called LEAP2 in their blood when they are in the acute phase of the disorder, according to research presented today (Thursday) at the Federation of European Neuroscience Societies (FENS) Forum 2026.

8 Jul 2026

Trial shows potential benefit of ketogenic diet for treating psychotic disorders

Published today in Schizophrenia Bulletin, a first-of-its-kind randomized controlled trial (RCT) from researchers at the University of California, San Francisco (UCSF), and funded in part by the National Institute of Mental Health (NIMH), adds to growing literature on the potential benefit of a ketogenic diet for treating psychotic disorders.

8 Jul 2026

New study identifies shared risk factors for breast cancer and atrial fibrillation

Alcohol use and smoking were linked to breast cancer and atrial fibrillation/flutter in women ages 55 years and older in multiple regions of the world, according to new, independent research published today in the Journal of the American Heart Association, an open access, peer-reviewed journal of the American Heart Association.

8 Jul 2026

Yogurt, prebiotics, and probiotics link to lower colorectal cancer odds in U.S. adults

A national NHANES analysis of 9,405 U.S. adults aged 50 and older found that any yogurt, prebiotic, or probiotic consumption was associated with about 50% lower odds of self-reported colorectal cancer. Because the study was cross-sectional, it cannot prove causation but supports further research into microbiota-targeted dietary strategies.

8 Jul 2026

Early menopause remains common among women in low and middle income countries

Early menopause affects 1 in 14 women aged 30 to 49 living in low and middle income countries, finds a pooled data analysis of its prevalence in 44 nations published in the open access journal BMJ Global Health.

7 Jul 2026

Updated ABCs framework gives clinicians a clearer path to prevent heart disease

A 2026 State-of-the-Art review updates the ABCs of cardiovascular disease prevention to help clinicians apply contemporary risk assessment, lifestyle, pharmacologic, and cardiometabolic strategies in routine care. The framework emphasizes PREVENT™ risk equations, Life’s Essential 8, CKM syndrome, obesity care, lipid lowering, blood pressure control, healthy aging, heart failure prevention, and atrial fibrillation management.

7 Jul 2026

Gut microbiome changes can signal future type 2 diabetes risk

The presence of certain bacteria in the gut microbiota, and fluctuations in a person's metabolism, can be seen in people who go on to develop type 2 diabetes years later.

7 Jul 2026

Sustainable oyster meat extract may reduce human intestinal inflammation

Ongoing research provides evidence that readily-available and sustainable oyster meat extract may have powerful anti-inflammatory effects on human intestinal cells.

7 Jul 2026

U.S. obesity rates rose sharply between 1999 and 2023

Obesity rates among U.S. adults and children rose sharply in recent years and by 2023, 40% of adults and 20% of youth met the criteria for obesity, according to new, independent research published today in the American Heart Association's flagship journal Circulation.

7 Jul 2026

Blood markers reveal metabolic impact of ultra-processed food consumption

Consumption of ultra-processed food (UPF) results in a distinct metabolic 'signature' in the blood, associated with potentially adverse health conditions, a new study by an international team of researchers finds.

6 Jul 2026

Six weeks of shorter sleep increases weight and sedentary time

People who shortened their sleep by around 80 minutes a night for six weeks gained weight-one pound on average-and were more sedentary, researchers at Columbia University Vagelos College of Physicians and Surgeons have found.

6 Jul 2026

Meat and dairy cuts may improve health without raising food costs

A Scottish microsimulation study found that reducing meat and dairy intake, especially red meat among high consumers, could improve modeled health and environmental outcomes without increasing diet costs. However, some nutrient intakes, particularly calcium and iodine, declined, highlighting the need for carefully planned substitutions and fortified alternatives.

6 Jul 2026

Study shows how flawed AI responses increase physician workloads

Artificial intelligence is spreading rapidly in health care, with the goal of streamlining critical but onerous clerical tasks such as note-taking and charting so that physicians and nurses can devote more time to patients.

6 Jul 2026

Thirty years of data reveal changing heart health trends in obesity

A study reveals narrowing gaps in blood pressure and cholesterol between obesity and normal BMI, highlighting evolving cardiometabolic risks over three decades.

6 Jul 2026