Nail salon workers in New York City face greater health risks on the job than previously understood, according to a new study published in the journal Risk Analysis. Researchers found that chemical concentrations spiked repeatedly throughout the workday, revealing short-term exposure peaks that traditional full-shift averages may overlook. These peaks could have important implications for worker health.
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Two Tulane University sophomores told Fox News Digital about how they found a previously unknown muscle in the hip during a cadaver lab session that even their professor couldn't identify.
Researchers at Children's Hospital of Philadelphia (CHOP) found that a systematic, electronic health record-enabled quality improvement initiative was associated with a large increase in chlamydia and gonorrhea screening among adolescents and led to the detection of more infections. The findings, published in the journal Pediatrics, suggest a feasible approach to building screening into routine well visits.
Two-thirds of Australian pediatricians don't know where to refer adolescents for support to quit vaping, new Federation University research has found—highlighting a critical gap in the response to youth vaping.
Results from a clinical trial in five major United States cities show that delivering integrated HIV and substance use disorder (SUD) services using peer navigation in mobile medical units reduced all-cause deaths by 71% compared with those among participants who received peer navigation to community-based services alone. While scientists found no difference in the use of daily, oral preexposure prophylaxis (PrEP) and medication for opioid use disorder (MOUD) between the groups, the secondary outcome of reduced mortality was significant. The study is published in JAMA Psychiatry.
Working-age adults who manage more chronic health conditions are more likely to misuse prescription medications, researchers in the Maxwell School of Citizenship and Public Affairs found.
Rice University's Han Xiao has used his AI-supported Sequence Display technology to expand the targeting abilities of CRISPR/Cas9. In a paper recently published in Nature Communications, Xiao evolved several variants of a compact Cas9 that could efficiently target stretches of DNA previously inaccessible for editing. The research included a proof-of-concept study in which the evolved Cas9s were successfully used to edit two genes found in coronary heart disease.
Patients with early-onset Alzheimer's disease, whose symptoms start before age 65, have more extensive deposits of tau, a hallmark protein of the condition, compared with patients whose symptoms start at 65-plus, a new study found. What's more, tau accumulates at more than twice the rate in younger compared to older patients and spreads widely throughout the brain.
New research from Imperial College London has found that, on average, collapsible (sometimes called "foldable") bicycle helmets provide lower levels of protection against serious head injuries than noncollapsible helmets.
Age could play an important role in how psychedelic use relates to mental health, according to new research from the Department of Psychology at Durham University. Researchers found that adults with a history of using classic psychedelics, such as psilocybin (magic mushrooms) and LSD, reported lower levels of anxiety and depression than nonusers, but only in younger age groups. The associations became weaker with increasing age and were no longer evident among older adults.
Psychosocial interventions can significantly reduce pain and anxiety for children undergoing cancer treatment, new Griffith University research has found. Dr. Karin Plummer from Griffith's School of Nursing and Midwifery investigated the efficacy of hypnosis, distraction techniques, virtual reality and mindfulness for children experiencing cancer pain.
A new study from researchers at Boston Medical Center (BMC) found that Massachusetts neighborhoods given the lowest grades on historic redlining maps had 86% higher annual opioid-related overdose death rates than those given the highest grades. The study, published in the Journal of Health Care for the Poor and Underserved, suggests that the long-term effects of historical disinvestment continue to affect health outcomes based on where people live.
Researchers from The George Institute for Global Health assessed the health benefits of switching the salt supply to potassium-enriched salt across 193 countries. They found almost 3 million deaths and 10 million new cases of cardiovascular and kidney disease could be prevented globally each year. The research is published in Nature Health.
In a study in Child and Adolescent Mental Health, researchers found that online communication with friends was associated with adolescents' mental well-being, but patterns varied by both frequency of communication and the type of friendship.
A multicomponent nutritional supplement has been found to improve markers of vascular health in a randomized controlled trial led by the University of Surrey. The formulation combined ingredients (vitamins, minerals, amino acids and plant-derived bioactives) selected for their relevance to several biological processes associated with aging.
A large national study analyzing emergency department visits and hospitalizations related to alcohol or cannabis use across the U.S. has found diverging age patterns: Among people who presented to the hospital for a substance-related problem, cannabis was involved in the majority of visits by adolescents and young adults, while alcohol predominated among older adults.
Alcohol-related liver disease (ALD) is characterized by hepatocellular injury, oxidative stress, inflammation and extracellular matrix remodeling, yet effective therapies remain limited. New research in The American Journal of Pathology, found that a single dose of liver matrix-bound nanovesicles (MBVs) derived from healthy porcine tissue reduced liver injury, fat accumulation and oxidative stress in alcohol-fed mice, pointing to a possible new therapeutic strategy for ALD.
Among the various viruses that sicken your gut, some at least leave behind a tiny path of cellular destruction as they replicate, implicating the guilty pathogen. Both rotavirus and norovirus invade the small intestine, multiply there and can break through the organ's outer lining as one way of proliferating in the body.
Researchers at the Macquarie University Brain Institute and Clinic have helped accelerate the search for disease-causing genes by building new genetic 'families.' The team uncovered hundreds of previously unrecognized family connections by analyzing the DNA of people with frontotemporal dementia (FTD) and motor neuron disease (MND).
New research simultaneously published in the Journal of the Society for Cardiovascular Angiography & Interventions and presented at TCT 2026 found that the annual number of transcatheter aortic valve replacement (TAVR) procedures among patients younger than 70 increased nearly ninefold within one health system, rising from 15 in 2014 to 134 in 2024. Surgical aortic valve replacement (SAVR) remained the predominant approach across the age groups studied.
New research presented at TCT 2026 found similar short-term outcomes in women and men with intermediate-risk pulmonary embolism (PE) after aspiration thrombectomy, a catheter-based procedure to remove blood clots from arteries in the lungs, despite higher pretreatment risk among women. The results were simultaneously published in JSCAI.
A German–Israeli eye-tracking study found that both the design and familiarity of front-of-package nutrition labels shape what consumers notice and how they interpret food products. Participants in both countries found Israel's warning-label system easier to understand and more helpful for making healthy choices than Nutri-Score, offering timely evidence as Europe and the United States reconsider how nutrition information should appear on packaged foods.
A new study published in JAMA Pediatrics has found that neonatal mortality—the death of an infant within the first 28 days of life—fell by 50% following the launch of Rx Kids, while early neonatal mortality—the death of an infant within the first seven days of life—fell by 74%.
Drownings are taking a toll on the U.K., not just on grieving families but on the country's finances, a new study has found.
A light brush, a hot surface and an irritating itch all activate different sensory pathways, yet researchers have determined that, in mice, these otherwise distinct responses share a molecular helper. A team led by Bailong Xiao at Tsinghua University found that removing the protein CRELD1 weakened the animals' reactions to touch, heat, cold, painful pressure and itch. But how can one protein influence so many different sensations?
A study of for-profit hospices acquired by private equity firms found that Medicare spending rose by 5.9% per hospice stay after acquisition, compared with similar for-profit hospices that weren't acquired. The increase was driven mainly by longer stays, with the average length of stay rising by 6.3 days. This was likely related to shifts toward patients who use less daily care, including a significant increase in the share of patients with dementia, consistent with a larger share of patients discharged from hospice alive.
UCLA researchers found that boosting p53 protein with navtemadlin helped T cells fight melanoma cancer cells longer, but dosing challenges remain.
The relationship between muscle mass and metabolic health may be more complicated than previously understood, according to a new study from Pennington Biomedical Research Center. Researchers found that where fat is stored in the body plays an important role in the relationship between fat-free mass and metabolic conditions, including metabolic syndrome and elevated blood sugar.
Some cases of the most common childhood cancer, B-cell acute lymphoblastic leukemia (B-ALL), return after treatment—and genetic changes present from the start may help explain why. Scientists at St. Jude Children's Research Hospital and Seattle Children's Hospital, in collaboration with the Children's Oncology Group, found that mutations in a patient's original tumor can be associated with relapse risk, and that these changes differ by leukemia subtype. The findings, published in Blood, could help researchers better estimate and adjust for relapse risk before treatment begins.
Researchers have found a surprisingly common vulnerability in a broad variety of cancers and have begun designing drug compounds to exploit it, in a study led by investigators at Weill Cornell Medicine. The findings suggest the possibility of a potent, low-side-effect treatment that could benefit many patients with colorectal, breast and other cancer types.
New research presented at the American Heart Association’s annual meeting found that cardiac arrest was higher among those who consumed energy drinks and supplements. NBC News’ Berkeley Lovelace Jr. explains which types of stimulants to watch out for.
New research presented at TCT 2026 and simultaneously published in JSCAI found that, in the primary analysis, mechanical thrombectomy was associated with lower short- and long-term mortality among patients with intermediate-risk pulmonary embolism compared with anticoagulation alone.
Rates of electric bike and electric scooter injuries are rising in children and teens across the country, a new Stanford Medicine–led study has found.
A randomized clinical trial at The Mount Sinai Hospital found that combining two techniques for removing calcium nodules—rotational atherectomy and intravascular lithotripsy (IVL)—before coronary stent placement allowed stents to expand more fully than IVL alone in patients with calcified coronary nodules.
Researchers at The Hong Kong Polytechnic University (PolyU) have developed an imaging biomarker, the Tumour Heterogeneity Index (THI), which enables noninvasive assessment of breast cancer patients' response to AKT inhibitors before treatment, helping clinicians identify patients most likely to benefit from therapy. The study found that patients with a high THI achieved an estimated pathological complete response (pCR) rate of 56.1%, significantly higher than that of patients with a low THI. The technology could help patients receive the most appropriate treatment at an earlier stage, reduce unnecessary side effects and enable clinicians to better tailor treatment strategies to individual patients.
A JAMA Network Open study of over 4,000 older adults found faster walking pace was linked to lower death risk over nearly 12 years of follow-up.
A former nurse who calls herself the "crazy cemetery lady" found a new calling: caring for the dead by restoring cemetery headstones, some of which are centuries old. Evyn Moon has the story.
A South Korean government-commissioned life cycle assessment found paper straws scored 6.33 times higher than plastic on a cancer-related measure.
The relationship between creativity and mental health has attracted the interest of many psychologists over the past decades. Some past studies have found that creativity is sometimes linked to mental health difficulties, while others collected opposing or inconsistent results.
A new study from Mayo Clinic suggests checkpoint immunotherapy may reshape the immune environment within lymph nodes after melanoma has spread to them. Researchers found that treatment reorganized several types of immune cells and changed the behavior of certain cells, called macrophages, that can either support or suppress an immune response depending on their environment.
In a study led by Baylor College of Medicine and the University of Oxford, researchers found that blocking a specific molecular interaction reduced atrial fibrosis in mouse models and cells from human patients with atrial fibrillation (AF), reduced fibrotic responses in human cells, and in the mouse models reversed established atrial fibrosis and reduced abnormal heart rhythms.
More than a quarter of Americans have exaggerated or made up symptoms to try to get antibiotics from their doctor, either for themselves or for their children, a new study has found. The survey of nearly 1,000 people nationwide uncovered common motivations for misrepresenting symptoms, including feeling very sick or needing to return to work or school.
A new randomized clinical trial from Toronto Metropolitan University (TMU) found that listening to just 24 minutes of personalized music paired with auditory beat stimulation (ABS) lowered levels of the stress hormone cortisol more than twice as much as pink noise, a popular sound used for relaxation. Yet participants reported feeling equally calm after both.
Older adults with autism were diagnosed with parkinsonism at more than double the rate of the general population, a study of 57 million Americans found.
A phase 3 clinical trial published in JAMA found trastuzumab rezetecan linked to 73% lower risk of cancer progression or death versus chemotherapy.
Dr. Dariush Mozaffarian joins "CBS Mornings" to share some simple health hacks, including ways to eat healthy on a budget, which can be found in his latest book, "Food Is Medicine: Healing Our Bodies, Nourishing Our Minds, and Transforming Our Food System."
This is a MedPage Today story. Erica Hayes, 40, has not felt healthy since November 2020 when she first fell ill with COVID. Hayes is too sick to work, so she has spent much of the last 4 years sitting on her beige couch, often curled up under an electric blanket. "My blood flow now sucks, so my hands and my feet are freezing. Even if I'm sweating, my toes are cold," said Hayes, who lives in Western Pennsylvania. She misses feeling well enough to play with her 9-year-old son or attend her 17-year-old son's baseball games. Along with claiming the lives of 1.2 million Americans, the COVID-19 pandemic has been described as a mass disabling event. Hayes is one of millions of Americans who suffer from long COVID. Depending on the patient, the condition can rob someone of energy, scramble the autonomic nervous system, or fog their memory, among many other symptoms. In addition to the brain fog and chronic fatigue, Hayes' constellation of symptoms includes frequent hives and migraines....












































