Diet & Nutrition News and Research

Latest Diet & Nutrition News and Research

Genetic variants influencing vitamin D synthesis, metabolism, and transport

A Canadian review synthesizes genetic factors that influence vitamin D synthesis, metabolism, and transport, highlighting how polymorphisms affect circulating levels. It also explores how gene-environment interactions shape individual responses to supplementation and sunlight.

20 Aug 2025

Scientists rank the healthiest grains using new nutrition scores

Two new scoring systems reveal that Americans who eat more nutrient-dense grains, whether whole or fortified, have better diets, lower obesity rates, and improved metabolic health. The cross-sectional analysis of NHANES data shows that these “healthy grains” are also affordable and widely available.

20 Aug 2025

How dietary formaldehyde links to worsening diabetes and memory loss

A new review reveals how everyday foods and hidden exposures to formaldehyde may fuel insulin resistance and chip away at memory, but also points to dietary patterns and emerging therapies that could help reduce the risk.

20 Aug 2025

Elevated TMAO levels linked to higher risk of abdominal aortic aneurysms

Cleveland Clinic researchers have discovered 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 abdominal aortic aneurysms.

20 Aug 2025

Fish oil supplementation can reduce risk of developing type 2 diabetes in prediabetic individuals

Type 2 diabetes (T2D) has become one of the leading chronic diseases worldwide in terms of both incidence and mortality.

20 Aug 2025

Women with Alzheimer's show reduced levels of healthy unsaturated fats

Omega fatty acids could protect against Alzheimer's disease in women, new research has found.

20 Aug 2025

Cardiovascular health declines in older adults with heart conditions

U.S. adults, ages 65 and older, with high blood pressure, heart failure or stroke had significant declines in cardiovascular health, according to new research published today in the Journal of the American Heart Association, an open-access, peer-reviewed journal of the American Heart Association.

20 Aug 2025

Low FODMAP diet increases GLP-1 and relieves IBS symptoms

This study reveals that a low FODMAP diet alleviates IBS symptoms and increases GLP-1 levels, suggesting new avenues for dietary interventions in gut health.

20 Aug 2025

Plant-based diet linked to lower risk of multimorbidity

In a large-scale multinational study involving over 400,000 women and men aged 37 to 70 years from six European countries, researchers from the University of Vienna, in collaboration with the International Agency for Research on Cancer (IARC) (France) and the Kyung Hee University (Republic of Korea), investigated dietary habits and disease trajectories.

20 Aug 2025

Red meat consumption disrupts gut bacteria and worsens colonic inflammation

Epidemiological studies have revealed a strong correlation between red meat consumption and the development of inflammatory bowel disease.

20 Aug 2025

Fasting supports type 1 diabetes care by reshaping the microbiome

A week of fasting alters the gut microbiome in type 1 diabetes, aligning it with healthy profiles and enhancing cholesterol and weight management.

20 Aug 2025

Could chlorophyll become the next antidiabetic therapy?

Research highlights chlorophyll's role in blood sugar regulation and insulin mimicry, though safety risks and lack of human trials warrant caution.

20 Aug 2025

Seven blood metabolites associated with excessive daytime sleepiness

Mass General Brigham researchers identified seven molecules in the blood linked to excessive daytime sleepiness, including factors related to diet and hormones.

20 Aug 2025

Omega-3 rich diet linked to lower risk of childhood myopia

A diet rich in omega-3 fatty acids, found predominantly in fish oils, may help ward off the development of short sightedness (myopia) in children, while a high intake of saturated fats, found in foods such as butter, palm oil, and red meat, may boost the risk of the condition, finds research published online in the British Journal of Ophthalmology.

20 Aug 2025

Review finds coffee linked to longer life and lower disease risk

A new review highlights that coffee consumption is consistently linked to reduced risks of death, cardiovascular disease, diabetes, and some cancers, while also supporting mental and physical well-being. It also cautions on intake during pregnancy and when sugar or cream are added.

19 Aug 2025

Scientists link gut microbes to stronger muscles and healthier aging

Researchers discovered that gut microbes, including Lactobacillus reuteri and L. johnsonii, can enhance muscle strength in aging mice. Co-administration of these strains boosted muscle mass, performance, and reduced inflammation, pointing to a possible microbiome-based strategy for muscle health.

19 Aug 2025