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Slower speech response linked to sleepiness in older adults

A new study led by UCLA investigators shows that Verbal Reaction Time (VRT), the amount of time it takes a person to respond verbally, can be a marker of sleepiness in older adults.

9 Jul 2025

Australian scientists use AI to create protein that kills superbugs

In the last year, there has been a surge in proteins developed by AI that will eventually be used in the treatment of everything from snakebites to cancer. What would normally take decades for a scientist to create – a custom-made protein for a particular disease – can now be done in seconds.

9 Jul 2025

Could serotonin supplements become the next hair loss treatment?

Researchers have shown that serotonin directly stimulates dermal papilla cells and promotes hair growth in lab-grown hair follicloids and human hair follicles. The findings suggest serotonin and related compounds could offer new avenues for treating hair loss, though safety and dosing challenges remain.

9 Jul 2025

Exercise enjoyment and commitment linked to personality traits

Finding motivation to exercise can be the greatest challenge in working out. This might be part of the reason why less than a quarter of people achieve the activity goals recommended by the World Health Organization.

9 Jul 2025

Most baby foods are sweet, smooth, and poorly aligned with health advice, review finds

A new review of commercial baby foods in high-income countries reveals most products are high in sugars, low in texture diversity, and often fail to meet public health recommendations. Aggressive marketing and misleading labels further drive parental choices, despite official guidance favoring homemade options.

9 Jul 2025

Uncovering how a key inflammatory molecule causes esophageal smooth muscle contractions

A research group led by Dr. Keisuke Obara, Dr. Kento Yoshioka, and Professor Yoshio Tanaka from the Department of Chemical Pharmacology, Faculty of Pharmaceutical Sciences, Toho University, has uncovered important details about how platelet-activating factor (PAF)-a powerful molecule involved in inflammation and allergic reactions-triggers contractions in the smooth muscles of the esophagus.

9 Jul 2025

Virginia Tech researchers explore creatine therapy for brain health

Creatine is popularly known as a muscle-building supplement, but its influence on human muscle function can be a matter of life or death.

9 Jul 2025

Exercise improves cancer outcomes by shaping the gut microbiome

A new study from the University of Pittsburgh shows for the first time how exercise improves cancer outcomes and enhances response to immunotherapy in mice by reshaping the gut microbiome.

9 Jul 2025

Fluorescent-guided nerve imaging agent shows promise for use in humans

For the first time, a fluorescent-guided nerve imaging agent shows promise for use in humans, according to a paper published in Nature Communications.

9 Jul 2025

FDA-approved drugs can help enhance the safety of nanomedicines

An international study led by researchers at the University of Colorado Anschutz Medical Campus has identified a promising strategy to enhance the safety of nanomedicines, advanced therapies often used in cancer and vaccine treatments, by using drugs already approved by the FDA for unrelated conditions.

9 Jul 2025

Single-cell sequencing maps immune changes in chronic myeloid leukemia

Chronic myeloid leukemia (CML) is a hematopoietic malignancy characterized by BCR-ABL1 gene fusion.

9 Jul 2025

Retinal organoid model advances understanding of dry age-related macular degeneration

Age-related macular degeneration (AMD), classified into dry and wet types, poses a significant threat to the vision of the elderly population globally.

9 Jul 2025

New Scientific Statement outlines future research directions for type 1 diabetes

A new Scientific Statement released today by the Endocrine Society highlights potential research directions related to the pathogenesis of type 1 diabetes (T1D) that should help with the development of new and improved treatment options.

9 Jul 2025

Mapping vulnerability or resilience in Alzheimer's through imaging and genetics

It's been recognized for some time that Alzheimer's disease affects brain regions differently and that tau - a protein known to misbehave - plays an important role in the disease.

9 Jul 2025

Study finds no metabolic danger from ultra-processed foods

Research shows ultra-processed foods contribute to poor diet quality without a significant association to metabolic syndrome among European children and adults.

9 Jul 2025

AI system estimates bone density using routine X-ray images

Investigators have developed an artificial intelligence-assisted diagnostic system that can estimate bone mineral density in both the lumbar spine and the femur of the upper leg, based on X-ray images.

9 Jul 2025

Blood flow restriction can match gym gains without joint strain

A clinical trial compares high-intensity resistance training and blood flow restriction methods, revealing effective alternatives for muscle strength gains.

9 Jul 2025

Researchers develop blood test panel for early Alzheimer’s detection

Researchers at the Federal University of São Carlos (UFSCar) in the state of São Paulo, Brazil, are developing a panel of biomarkers for the early detection of Alzheimer's disease and for distinguishing it from other types of dementia using blood tests.

9 Jul 2025

Nanohydrogel formulation of 5-fluorouracil shows promise for skin cancer therapy

Announcing a new article publication for BIO Integration journal. The pyrimidine analog 5-flurouracil (5-FU) is effective against solid tumors.

9 Jul 2025

Why vitamin B6 could raise the risk of hypoglycemia for people with diabetes

A large-scale Mendelian randomization study found no genetic evidence that vitamins A, C, or D reduce the risk of major diabetic complications. However, higher genetically predicted vitamin B6 levels were strongly associated with increased risk of diabetic hypoglycemia, warranting caution with supplementation.

8 Jul 2025