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Study uncovers brain mechanism that drives sustained motivation

What enables us to sustain effort toward goals, even when the task becomes increasingly difficult? A recent study by researchers at Nagoya University in Japan revealed the underlying brain mechanism, showing that orexin neurons play a crucial role in driving and regulating motivated behavior.

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

Study links higher body fat to lower sperm counts despite normal BMI

Among 1,058 Danish men, higher body fat percentage was associated with lower total sperm count and altered reproductive hormone levels, but not testicular volume. Body fat percentage showed stronger links with several semen measures than BMI or waist-to-height ratio, with the sperm-count association strengthening among men with normal BMI.

2 Aug 2026

Study offers a potential strategy to make nanoparticle-based cancer drugs more effective

A new study led by researchers at The University of Texas MD Anderson Cancer Center has identified a way to reshape the gut microbiome that can enhance the delivery of certain chemotherapies to tumors, offering a potential strategy to make nanoparticle-based cancer drugs more effective.

31 Jul 2026

Brain immune cells drive recovery from ketamine anesthesia in females

During ketamine anesthesia, the brain's nerve cells fall silent-as consciousness returns, they begin to reconnect.

31 Jul 2026

Midpregnancy herbicide exposure linked to increased preterm birth risk

Exposure to a widely used herbicide during the middle months of pregnancy may increase the chance of giving birth too early, before 37 weeks, a new study shows.

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

Mouse study links leaky gut to severe food allergies

A "leaky gut" might increase the severity of food allergies, according to new research conducted in mice and published in The Journal of Immunology.

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

Pork supply chains may be shaping the global spread of drug-resistant Salmonella

Researchers linked 129,136 global human and swine Salmonella genomes with sampling from a Guangdong pork supply chain to examine how downstream stages relate to antimicrobial resistance. The study suggests slaughterhouse and retail interfaces may concentrate S. 4,[5],12:i:- ST34, resistant strains, and mobile resistance elements, supporting broader One Health surveillance beyond farms.

30 Jul 2026

New computational technique traces ghost ancestry in modern human genomes

UC Berkeley researchers have identified regions of DNA that humans inherited from two unknown ancestors as a result of long-ago interbreeding among modern humans and at least four other archaic human relatives.

30 Jul 2026

Perilla oil improves blood flow and reduces inflammation in healthy smokers

Cardiovascular disease (CVD) is among the leading causes of death worldwide. In South Korea, it is the second leading cause of death, and its incidence has continued to rise in recent years.

30 Jul 2026

Experts propose a new strategy to better control high blood pressure

High blood pressure can be controlled better with a strategy that combines boosting potassium intake with reducing sodium, according to a new report.

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

Omalizumab beats multiallergen oral immunotherapy in multifood allergy trial

Omalizumab demonstrates higher treatment success for multifood allergies compared to oral immunotherapy, with fewer adverse events impacting patient retention.

30 Jul 2026

Low-fat diet lowers dietary glycation compounds for years in postmenopausal women

Researchers analyzing dietary data from 40,209 postmenopausal women found that a low-fat pattern emphasizing fruits, vegetables, and grains was associated with sustained reductions in estimated dietary advanced glycation end-product intake over approximately seven years. The findings suggest broad dietary changes may lower dAGE intake without specific cooking instructions, although the study did not measure biological AGE exposure or determine whether the reductions influenced breast cancer outcomes.

29 Jul 2026

Chemists use programmable DNA to build precise protein crystals

For decades, scientists have largely relied on painstaking trial and error to coax proteins into crystalline forms.

29 Jul 2026

New CapuchinAI system automates cognitive testing of wild primates

Scientists created an AI system that uses facial recognition and real-time, touchscreen testing to automate cognitive studies of capuchin monkeys in the wild.

29 Jul 2026

AI-enabled tool helps identify hospitalized patients at risk of rapid clinical decline

Researchers from RWJBarnabas Health and Rutgers Robert Wood Johnson Medical School found that an artificial intelligence (AI)-enabled early warning system helped identify hospitalized patients at risk of rapid clinical decline sooner, contributing to fewer deaths among high-risk patients.

29 Jul 2026