Diet News and Research

Latest Diet News and Research

Mouse study shows how liraglutide briefly rewires gut bacterial communities

Researchers treated male high-fat-fed mice with liraglutide for 14 days, then tracked fecal bacterial communities after a 7-day washout using 16S rRNA sequencing. Liraglutide shifted the microbiome toward Lactobacillus- and Leptogranulimonas-related taxa while reducing several fermentative taxa, but most changes moved back toward baseline after treatment stopped.

4 Aug 2026

Better sleep may boost academic and social success in adolescents

A new UC Davis Health study published in Psychological Medicine suggests that when it comes to helping adolescents succeed in school and maintain healthy friendships, sleep may matter more than screen time, exercise or diet.

4 Aug 2026

Exercise helps protect Hispanic adults from late life cognitive decline

Previous studies have examined the associations between adherence to LS7 and cognitive outcomes, with findings suggesting that higher LS7 scores are associated with better cognitive performance, reduced dementia risk and improved brain health.

4 Aug 2026

Study shows how solid food shapes immune system development

In a mouse model, LMU researchers have discovered a signaling pathway through which diet influences the development of the immune system.

4 Aug 2026

Researchers suggest a potential therapeutic strategy for muscle loss associated with obesity

Obesity has been linked to skeletal muscle loss and deterioration. While M2 macrophages may play a role in regulating muscle function, the underlying mechanisms remain poorly understood.

4 Aug 2026

Blood filtration method helps clear circulating lipids and toxic microplastics

The machine is not new. Some version of it has run in hospital treatment rooms for about four decades, drawing blood from one arm, separating out the plasma, passing it across a filter or an adsorber, and returning it to the other arm.

4 Aug 2026

Continuous glucose monitors show no proven benefits for healthy people

Continuous glucose monitors are becoming increasingly popular, including among people without diabetes.

4 Aug 2026

Daily social connections may improve long-term health and cognition

Calling a friend after a long day. Showing up to a neighbor's dinner when you'd rather stay home. Lingering a little longer in a conversation that didn't need to last.

3 Aug 2026

Restricting select amino acids may mimic protein restriction’s healthy aging benefits

A review finds that restricting protein, particularly methionine, isoleucine, and valine, may improve metabolism and influence key aging pathways, largely in experimental models. Short human studies suggest metabolic benefits, but effects on lifespan remain unknown and restriction may harm people with unmet or increased protein needs.

3 Aug 2026

Texas A&M study links polyethylene microplastics to fatty liver disease

Microplastics have become nearly impossible to avoid. They have been detected in oceans, drinking water and even the human body, but scientists are still uncovering how they affect human health.

3 Aug 2026

Gut microbiome shifts may begin before Alzheimer’s symptoms appear

A narrative review links reduced SCFA-producing gut bacteria and altered microbial metabolism with Alzheimer’s disease, while early evidence suggests similar changes may appear before cognitive symptoms. Mediterranean, DASH, MIND, and prudent diets are associated with beneficial microbial profiles, but direct evidence connecting diet, the microbiome, and amyloid pathology remains limited.

3 Aug 2026

Daily tomatoes lowered a key marker of liver fat in MASLD trial

An exploratory randomized trial found that 200 g of raw tomatoes plus 50 g of tomato sauce daily for six weeks produced a greater reduction in CAP-defined hepatic steatosis than a tomato-free diet in adults with MASLD. The improvement occurred without major weight or metabolic changes, but larger and longer trials are needed to confirm its clinical significance.

2 Aug 2026

Traditional Japanese medicine for obesity may help reduce age-related tissue fibrosis

A traditional Japanese medicine used for obesity may do more than support weight loss. Researchers at the University of Osaka, working with Kobayashi Pharmaceutical Co., Ltd. investigated whether Bofutsushosan could protect aging tissues from fibrosis - the excessive buildup of scar-like tissue that can make organs stiff and less functional.

2 Aug 2026

Arginine boosts immune defenses against cancer and viral infections

The amino acid arginine helps to keep the human body humming, most notably by synthesizing proteins that carry out a range of cellular processes.

31 Jul 2026

Consuming less protein could have greater health benefits and extend lifespan

Protein-fortified foods are popping up everywhere, from cereal and coffee to even protein water. But a new review covering over 350 papers on protein restriction and aging-publishing July 31 in the Cell Press journal Cell Press Blue-suggests that consuming less protein could have greater health benefits and could, in some cases, extend lifespan.

31 Jul 2026

Soy lysolecithin reduces salt-induced hypertension and cognitive decline

High salt (HS) intake is a major global health concern, closely linked to hypertension and growing evidence of cognitive and emotional decline.

31 Jul 2026

How intensive poultry farming accelerated the evolution of Campylobacter

Intensive poultry farming transforms Campylobacter jejuni ecology, enhancing host adaptability and raising concerns for foodborne illness transmission.

31 Jul 2026

Study reveals widening inequality in leisure-time physical activity

A ten-year study of residents of the city of São Paulo, Brazil, revealed that leisure-time physical activity is highly unequal and that the gap between social strata is widening.

30 Jul 2026

Psilocybin trial shows striking remission rates for veterans with PTSD

The first U.S. clinical trial of psilocybin-assisted therapy in veterans with PTSD who got no relief from conventional treatments has established that the protocol is safe, causing no serious adverse events or increases in suicidal thinking or behavior.

30 Jul 2026

Carbohydrate foods needing clearer nutrition guidance

Research identifies misalignments in perceptions of carbohydrate food healthfulness, suggesting priorities for nutrition education and public health messaging.

30 Jul 2026