Health.

A Swedish registry study of more than 7,000 patients found modestly slower memory decline among those on newer anticoagulants than on warfarin — but the observational design leaves the cause unproven.

More than 650 infections have been confirmed in Italy this year, about half of all cases in Europe, as researchers link longer, hotter mosquito seasons to the virus's expanding reach.

Children as young as 4 with activated PI3K-delta syndrome can now access leniolisib, though the pediatric approval rests heavily on a small dosing study of just eight patients rather than a new efficacy trial.

Clinics across the U.S. are offering low-intensity shockwave therapy, borrowed from kidney-stone treatment, for erectile dysfunction — though the FDA hasn't approved it and major urology groups say the evidence remains thin.

Curium's Bexlutry becomes the first approved alternative to Lutathera for somatostatin receptor-positive neuroendocrine tumors, a move the company says will bolster supply of the specialized cancer treatment.

In a small trial, healthy men who sniffed dark chocolate before and during a fasted leg workout squeezed out roughly 18 more repetitions than those who smelled water — without feeling any more exhausted.

A meta-analysis pooling 87 clinical trials found measurable improvements in weight, blood pressure, cholesterol and inflammation at moderate whole-grain intake, though researchers caution the trials were short and don't prove fewer heart attacks.

An analysis of UK medical records found semaglutide users had nearly 40 percent fewer asthma attacks and a fifth fewer COPD flare-ups than those on an older diabetes drug — but researchers stress the findings are observational, not from a randomized trial.

A review of 1.9 million people found gastrointestinal symptoms nearly 50 percent more common among those with ADHD, though researchers stress the data show an association, not proof that one condition causes the other.

A 24-hour skin patch caught nighttime bursts of a blood-pressure hormone that routine blood tests miss, offering a possible new way to diagnose primary aldosteronism.

An unvaccinated 40-year-old woman with underlying lung disease died in Jefferson County as the state's case count topped 690 and the national tally reached its highest level since 1991.

A 13-year study of nearly 7,000 seniors found high waist circumference raised mortality risk by 24 percent, even as higher BMI was linked to a survival edge researchers call a statistical paradox, not proof that extra weight helps.

A world-first study out of the University of Sydney found living human heart tissue producing new muscle cells after a heart attack, a discovery researchers hope could eventually lead to therapies for heart failure.

Federal officials closed out the largest cyclospora outbreak on record, linked to Taylor Farms de Mexico iceberg lettuce, even as the source of the contamination remains unconfirmed.

Meena Geltink and Minal Tijssen bonded as Mumbai-born teenagers in the Netherlands and joked about being 'sisters' for years — then a DNA test proved it.

A study of nearly 74,000 men found tadalafil users had a 22% higher glaucoma risk than non-users, prompting calls for baseline eye exams rather than a change in prescribing.

Cedars-Sinai researchers say a checkpoint protein called PD-L2 helps damaged cells evade immune clearance, offering a new target for anti-aging therapies still confined to mice.

A Danish study found smaller ovaries and wombs in infant girls exposed to the painkiller before birth, but outside statisticians say the evidence is too weak to change medical guidance.

An analysis of more than 80,000 patient records found semaglutide was linked to roughly 40 percent fewer asthma attacks and 20 percent fewer COPD exacerbations than other diabetes treatments, but researchers say the observational data are not yet grounds to prescribe the drug for lung disease.

CDC data show infections growing or likely growing in 47 states, with Texas reporting the highest wastewater levels, as the country's now-familiar twice-yearly surge pattern repeats.

The largest primary-prevention statin trial in older adults found a 30 percent drop in major cardiovascular events — but no gain in disability-free years.

Nearly four months after the World Health Organization declared a global emergency, the Bundibugyo virus outbreak in eastern Congo continues to spread, with almost half of confirmed patients dying.

A study of aging's most extreme survivors found a rare immune cell that multiplies dramatically the older people get — and may help explain their resistance to disease.

A detailed cell-by-cell map of breast tumors found that dormant cancer cells cluster in neighborhoods ringed by protective immune and connective-tissue cells — a possible explanation for why cancer can return years after treatment ends.

In mice, liver cells injected alongside tiny hydrogel spheres formed working tissue that survived for two months and produced many of the proteins a healthy liver makes — an early step toward supplementing, not replacing, a failing organ.

Aged mice fed high doses of a lipid abundant in the ocean-dwelling filter feeders regrew darker fur, sharpened memory and calmed inflamed brain cells — though scientists caution the leap to humans remains untested.

First joint ESC-European Renal Association guidelines call for blood and urine testing at diagnosis, reflecting new evidence that heart and kidney disease accelerate each other.

A phase 3 trial found the once-nightly drug AD109 cut breathing interruptions by 44 percent, though it is not yet FDA-approved and roughly a fifth of participants stopped taking it due to side effects.

Camizestrant is the first cancer drug the FDA has approved based on a resistance mutation caught in the bloodstream before imaging shows a tumor has progressed.

The Ig Nobel Prize's medicine award went posthumously to a Japanese otolaryngologist whose 1977 study settled, with aerodynamic rigor, the correct way to blow one's nose.

Zanvastro, an antisense drug from Ionis Pharmaceuticals, stabilized walking speed in a pivotal trial for the ultra-rare, fatal neurological disorder that has never before had a targeted therapy.

A peer-reviewed Science study from MD Anderson found psilocybin prevented chemotherapy-induced nerve injury in preclinical models without blunting the drugs' tumor-killing effect — a mouse-model finding now moving into a Phase 2 human trial.

The LifeAfter90 cohort study of more than 800 people found women and Black participants faced markedly higher dementia risk even after reaching 90 — an observational finding researchers say reflects both genetics and lifelong health disparities.

The STAREE trial found daily atorvastatin reduced cardiovascular events in older adults without prior heart disease — but it didn't extend disability-free years, complicating how doctors should use the results.

In animal models and human spinal cord tissue, researchers found that the cancer protein BRAF migrates to the spinal cord after nerve injury and amplifies pain signals, and that cancer drugs already on the market blocked the effect.

Men already genetically prone to male-pattern baldness face a 7% added risk of hair loss when using drugs like Ozempic, Wegovy and Zepbound, according to a new genetic analysis that is the first to move beyond anecdotal reports.

A five-month trial that controlled participants' meals found a keto diet cut liver fat and reversed prediabetes more often than a Mediterranean or low-fat plant-forward diet, despite similar weight loss across all three groups.

A randomized crossover trial near a Massachusetts highway found faster executive-function test times after a month of real HEPA filtration versus a sham device — with limitations the authors are candid about.

A five-year analysis of more than 130,000 insomnia patients found nearly double the heart failure rate among long-term melatonin users, though researchers stress the finding is preliminary and not proof of cause.

A mouse study found that sucralose and stevia altered gut bacteria and gene activity in ways that echoed into a second generation that never tasted either sweetener.

A 60-person randomized, placebo-controlled study run inside Britain's public health system found large reductions in depressive symptoms after one supervised psilocybin session, though researchers caution larger trials are still needed.

More than 2,700 confirmed cases and a slipping childhood vaccination rate have pushed the country to the brink of losing a status it has held since 2000.

A postmortem analysis of nearly half a million hippocampal cells found disrupted neuron formation in people who had major depression, offering the first cell-level evidence for a long-suspected piece of the disorder's biology.

A seven-year analysis of more than 72,000 older adults found that people who received the newer Shingrix shot had less cardiovascular disease than those given its predecessor, though researchers say a randomized trial is still needed to confirm cause and effect.

An analysis of half a million hippocampal brain cells ties major depressive disorder to disrupted new-neuron formation, though the researchers stress the postmortem data show correlation, not causation.

A 20-day pilot study of 40 adults with mildly elevated blood pressure found peppermint oil capsules modestly reduced systolic readings, though researchers caution the trial was small and short.

Federal health officials say a multistate parasite outbreak linked to iceberg lettuce from a Mexico-based supplier has sickened nearly 11,000 people and hospitalized hundreds since the spring, even as the recalled product has cleared store shelves.

A decade-long analysis of nearly 29,000 British patients found women more often develop mental health conditions after a diabetes diagnosis, while men more often develop heart and kidney disease.

A four-year analysis of more than 500,000 older Medicare patients found fewer dementia diagnoses among those vaccinated against shingles — but the study's authors say it cannot prove the shot is the cause.

Two unvaccinated Lancaster County residents died as Pennsylvania's outbreak grew, part of the worst national measles year since 1991.

An analysis of prescription records and stool samples from 2,509 Estonians found nearly half of the medications tested left detectable changes in gut bacteria long after people stopped taking them.

A Singapore birth-cohort study tracking 502 children found screen exposure in infancy, and again around school entry, predicted weaker working memory and academic performance years later.

A Basque Country study used AI-read brain scans to show each added language tracked with a younger-looking brain — with the biggest gains for early, fluent learners.

Older adults carrying a specific gut microbe had notably stronger grip strength, and the same bacterium boosted muscle in mice — though researchers say human trials of any treatment are still years away.

New CDC data show the country's largest measles caseload in more than three decades, with a review this year set to determine whether the U.S. keeps its disease-free status.

Urolithin A, a compound made in the gut from foods like pomegranates and walnuts, improved heart relaxation and reduced scarring in animal and engineered-tissue models, King's College London researchers report.

A 20-day placebo-controlled trial found a twice-daily peppermint oil supplement cut systolic blood pressure by roughly 8.5 points in adults with mildly elevated readings.

Confirmed cases have climbed past 2,700 for the year, the highest count since the disease was declared eliminated in 2000, with the CDC reporting the vast majority of patients unvaccinated.

A Rockefeller University study finds brief, all-out cycling sprints trigger sweeping molecular changes in blood tied to disease protection, dwarfing the effect of a much longer moderate workout.

GDF15, the hormone tied to drugs like semaglutide, suppressed liver inflammation and scarring in mice through a newly identified brain-to-liver pathway -- independent of any weight loss.

Falling childhood vaccination rates are driving the country's largest measles resurgence since the disease was declared eliminated in 2000, CDC data show.

McMaster University researchers found that GDF15, best known for suppressing appetite, also signals the brain to calm liver inflammation independent of weight loss.

A multistate Cyclospora outbreak traced to iceberg lettuce from a single Mexican processor has now sickened 10,930 people and killed two, according to CDC's latest update.

Stanford researchers traced bone marrow-derived immune cells settling into the human brain during aging — a pattern not seen in mice, with possible ties to Alzheimer's risk.

A modified probiotic strain colonizes low-oxygen tumors and switches on the immune system, slowing pancreatic cancer growth in animal studies.

An analysis of more than 21,000 women found lower odds of dementia diagnosis and less amyloid buildup among past users of estrogen-only therapy, though researchers caution the finding is not proof of prevention.

A Stanford analysis of more than 21,000 women found less brain pathology and fewer dementia diagnoses among estrogen-only users, though researchers caution the study can't prove cause and effect.

Structure Therapeutics' oral GLP-1 candidate helped patients shed up to 12% of body weight in 36 weeks, setting up pivotal trials.

The long-running PANIC study out of the University of Jyväskylä found more childhood screen time was linked to sharper cognitive processing in adolescence, though researchers caution the finding is an association, not proof of benefit.

An Australian gait study of 107 adults finds older walkers stiffen their ankles for safety at the cost of speed and stride length, pointing to targeted exercises rather than generic activity advice.

A 20-hospital study of severely ill COVID patients found the infection reactivated Epstein-Barr, herpes and other latent viruses, with one virus family linked to long COVID.

A pooled analysis of nine studies and more than 480,000 participants finds habitual stair climbers face substantially lower risk of dying from heart disease, with benefits that appear to grow with more frequent climbing.

A Stanford analysis using DNA mutation tracing finds the brain is not as sealed off from the body's immune system as long assumed, with implications for Alzheimer's and other neurodegenerative disease.

A George Mason University analysis of nearly 3 million women over 25 years finds endometriosis, especially disease outside the pelvis, is linked to significantly higher diabetes risk.

The MHRA's approval of once-daily orforglipron makes Britain the first country in Europe to license the tablet, weeks after clearing a rival oral GLP-1 drug.

More than 100,000 people have been treated since 2015 as NHS data shows England outpacing global elimination targets for the liver virus.

A Zurich study finds a specialized class of astrocytes repairs injured brain tissue by sending only their nuclei into the wound, not the whole cell.

Emerging research on GLP-1 medications like semaglutide points to reduced drinking and craving, though the drugs remain unapproved for addiction treatment.

A study of more than 20,000 people finds very high Lp(a) levels raise the risk of stroke and cardiovascular death, even when standard treatments are on track.

Aleniglipron, an oral GLP-1 drug, helped patients shed up to 12.1% of their body weight in 36 weeks, setting up a phase 3 push toward approval.

The CDC says the parasitic outbreak tied to Taylor Farms de Mexico iceberg lettuce is now the largest cyclosporiasis outbreak on record in the U.S., with two deaths reported.

Tracking nearly 150,000 adults for three decades, Harvard researchers found nine to twenty minutes a day of strength training was tied to lower rates of death, with no extra benefit beyond that.

A 17,000-person UK Biobank study finds the 150-minutes-a-week activity target offers only modest cardiovascular protection, with the largest gains requiring roughly four times that amount.

Three notable clearances landed in the first week of August — oveporexton for narcolepsy type 1, the mRNA-based flu vaccine mFLUSIVA, and an oncolytic viral therapy for advanced melanoma.

A University of Texas prototype uses ultrasound instead of drugs to speed the brain into REM sleep and keep it there longer, a small study finds.

In a placebo-controlled trial, adults taking tirzepatide who also received an experimental myostatin-blocking antibody lost about half as much lean muscle mass as those on the weight-loss drug alone.

The CDC has linked 6,358 illnesses and two deaths to lettuce processed by Taylor Farms de Mexico, and warns the true toll is likely higher and still climbing.

A combination tablet from Merck and Gilead kept patients virally suppressed as well as daily Biktarvy while sharply cutting how burdensome patients found their treatment.

The Yingfeng 2 was intercepted near Kinshasa after a feverish passenger who had disembarked upstream died, as officials screen everyone aboard amid the country's 17th Ebola outbreak since May.

Approval covers adults with obesity; analysts expect pricing pressure on weekly injectables within a year.

A 280,000-person study adds the strongest evidence yet, though researchers caution the mechanism is unclear.