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Pulse oximeters miss hypoxemia more often in people with darker skin, study finds
This large prospective UK study compared five low-cost fingertip pulse oximeters with arterial blood gas measurements and found that readings varied systematically by skin tone and oxygen saturation level. Small average overestimations in darker skin translated into clinically meaningful increases in missed hypoxemia at commonly used SpO2 thresholds.
Blood metabolites reveal who will develop type 2 diabetes years before diagnosis
This large prospective study integrated blood metabolomics, genetics, and lifestyle data to identify hundreds of metabolites associated with long-term risk of type 2 diabetes in initially healthy adults. A validated 44-metabolite signature improved risk prediction beyond conventional factors, offering insights into biological pathways and opportunities for earlier, more precise prevention.
Expanded school tobacco prevention in California is linked to lower youth vaping and smoking
A statewide evaluation found that California schools receiving TUPE funding delivered more antitobacco education and activities and reported lower student tobacco use than non-funded schools. The association was driven mainly by reduced vaping, within a broader environment of strong statewide tobacco control.
Ashwagandha aids recovery without blunting training stress in athletes
Six weeks of Ashwagandha root extract supplementation in semi-professional team-sport athletes was associated with sex-specific effects during pre-season training. Females showed improved perceived recovery with stable cortisol, while males demonstrated gains in lower-body power with stable cortisone levels.
Ancient ice and modern pollution combine to spread antibiotic resistance as glaciers melt
Glaciers harbor both ancient and human-derived antibiotic resistance genes, preserved in ice and increasingly mobilized by climate-driven melt. This global review proposes a glacier-to-downstream “continuum” to understand how resistance genes may move through connected freshwater ecosystems.
New research compares different wellbeing-focused interventions delivered to adults
As another new year gets under way many of us will be looking for a way of boosting how we feel but is it better to hit the gym or mediate in nature? Now new research by Swansea experts has provided the largest ever comparison of wellbeing-focused interventions delivered to adults.
How World War II transformed sexual health practices and condom use in Sweden
During World War II, Sweden was officially neutral, but life at home was anything but untouched by the conflict. A new study from Stockholm University shows that the war years fundamentally changed Swedish thoughts about sexual health, helping turn the condom from one protective option among many into the dominant safeguard against venereal disease.
Researchers discover how Mycoplasma pneumoniae acquires cholesterol from human hosts
A multidisciplinary team has uncovered a key mechanism that allows the human bacterium Mycoplasma pneumoniae-responsible for atypical pneumonia and other respiratory infections-to obtain cholesterol and other essential lipids directly from the human body.
Women and anxious people show distinct types of underconfidence
Women and people with anxiety are both prone to low confidence in their own abilities, but a new study by University College London (UCL) researchers has found that the two groups are prone to two distinct types of underconfidence.
Hybrid polymer nanocarriers enable efficient inhaled mRNA vaccine delivery to the lungs
Novel hybrid polymer nanocarriers enable effective vaccine delivery in the lungs and the targeted activation of immune cells.
Single-cell technique maps pre-malignant gene mutations in solid tissues
A new single-cell profiling technique has mapped pre-malignant gene mutations and their effects in solid tissues for the first time, in a study led by investigators at Weill Cornell Medicine and the New York Genome Center.
Study reveals how ketogenic diet protects against epilepsy seizures
University of Virginia School of Medicine researchers have revealed how the popular, low-carb ketogenic diet protects against epilepsy seizures and possibly neurodegenerative diseases such as Alzheimer's and Parkinson's.
Majority of older adults in Ireland have poorly controlled high blood pressure
High blood pressure becomes more common after age 40years yet new research from The Irish Longitudinal Study on Ageing (TILDA) at Trinity College Dublin shows that many people in Ireland with hypertension are still not optimally diagnosed or treated based on European Gudelines.
Study finds growing long-term antipsychotic prescribing in elderly dementia patients
When agitated dementia patients wander or shout through the night, families and caregivers understandably feel the need to treat this frightening and potentially dangerous behavior. Antipsychotic medications are often resorted to with such patients, contributing to increases in antipsychotic treatment rates among older people.
Gut microbiota analysis offers insights into how ultra processed foods affect health
To gain more knowledge about how ultra-processed food affects us, we need new research methods, claim researchers. Now they are looking to better understand our intestinal flora.
Study reveals how antibiotic resistant bacteria delay chronic wound healing
An international team of scientists, led by Nanyang Technological University, Singapore (NTU Singapore), has discovered a new way that could speed up the healing of chronic wounds infected by antibiotic-resistant bacteria.
Alternative splicing of DOC2A gene shown to drive schizophrenia risk
In an important new study, Chinese researchers have discovered the previously unrecognized role of alternative splicing of the DOC2A gene in schizophrenia.
Investigational cancer vaccine shows early promise for cancer prevention in Lynch syndrome
The investigational cancer vaccine, NOUS-209, was found to safely stimulate the immune system to target precancerous and cancerous cells in individuals with Lynch Syndrome (LS), according to a study from researchers at The University of Texas MD Anderson Cancer Center.
Paracetamol use during pregnancy not linked to autism, ADHD or intellectual disability
Taking paracetamol during pregnancy does not increase the risk of autism, attention-deficit hyperactivity disorder (ADHD), or intellectual disability among children.
New review examines the growing global use of melatonin among pediatric populations
Sleep problems are increasingly common among children and adolescents, affecting emotional regulation, cognitive development, and healthy conditions.




