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Mice Headsets Make it Easier to Study Brain Response to Virtual Realty

Virtual reality headsets like the Meta Quest or Apple Vision Pro will be a Christmas gift in more than one home this year.

Now mice are getting in on the action.

Researchers have developed a set of VR goggles for lab mice for use in brain studies, according to a report published recently in the journal Nature Methods

Early Research Points to Possible New Parkinson's Drug

Parkinson's is a relentless disease for which few treatments, and no real cure, exists.

Now, researchers say they are on the trail of a potential new therapy for the disabling neurological illness.

It's early research, still in the animal-testing stage, as explained by investigators at the University of Arizona in Tucson. However, their findings, published recently in the journal <...

Taxi Drivers' Brains May Leave Them Less Vulnerable to Alzheimer's

Taxi and ambulance drivers need to have quick wits and nimble reflexes to cut through traffic effectively.

Turns out that these traits might also protect them from Alzheimer’s disease, according to a new study published Dec. 16 in the

Blood Pressure Ups & Downs May Harm Seniors' Thinking

Keeping your blood pressure in check is important for more than just heart health -- it can also keep your brain sharp as you age.

A new study published Dec. 11 in the journal Neurology shows that seniors whose blood pressure spikes and drops over time might be more likely to suffer a decline in their thinki...

Parents' Smoking Could Raise Risk for MS in Kids

For children genetically predisposed to develop multiple sclerosis (MS), exposure to cigarette smoke in the family home could raise that risk even higher, new research shows.

"A higher genetic MS risk is associated with an increased vulnerability to the negative effects of household smoking on brain development," conclude a Dutch team led by

  • Ernie Mundell HealthDay Reporter
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  • December 11, 2024
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    • One Type of Blood Pressure Med May Help Prevent Post-Stroke Epilepsy

    Some people develop epilepsy after surviving a stroke, as the injury they’ve sustained causes scarring and disorganized electrical activity in their brains.

    But one type of blood pressure medication seems to help stroke survivors avoid post-stroke epilepsy (PSE), according to a first-of-its-kind study prese...

    Many Women With Epilepsy Unaware of Seizure Meds' Risks to Pregnancy

    Many women with epilepsy who are of childbearing age might not realize their anti-seizure drugs can raise the risk of birth defects or dampen the effectiveness of their birth control, a new study warns.

    Likewise, some birth control methods can cause anti-seizure meds to be les...

    20th Century Lead Exposures Took Grim Toll on Americans' Health

    Decades of lead exposure from car exhaust altered the mental health of millions of Americans, making them more prone to depression, anxiety and ADHD, a new study claims.

    Lead was first added to gasoline in 1923 to help keep car engines healthy, researchers said.

    But lead is toxic to brain cells, and there’s no safe level of exposure at any point in life. Children are especiall...

    Newer Epilepsy Meds Safe During Pregnancy, Won't Affect Kids' Neurodevelopment

    For decades, it's been known that certain older medications women use to control epilepsy seizures can pose risks to a fetus.  

    However, data now suggests that no such risk exists for newer-generation anti-seizure meds.

    “We need to balance making sure there is enough medicine on board to protect the mother and her developing fetus from seizures, but not too much where we'...

    Kids From Poorer Homes May Have Worse Outcomes If MS Strikes

    A child from a poorer neighborhood is more prone to severe illness once they develop multiple sclerosis (MS) compared to children growing up in more affluent areas, new research shows.

    The study of 138 MS patients who'd been diagnosed before the age of 18 revealed that kids from less advantaged neighborhoods showed larger volumes of inflammation and brain tissue loss, compared to those fr...

    Soccer 'Headers' Could Pose Danger to Brains

    Bouncing a soccer ball off the head during play could be doing real damage to the brain, a new study suggests.

    MRI brain scans of male and female soccer athletes suggests that lots of "heading" could damage areas of the brain already known to be linked to debilitating

  • Ernie Mundell HealthDay Reporter
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  • November 27, 2024
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    • Nerve Stimulation Device Might Ease Long COVID Symptoms

    A painless nerve-zapping device called Transcutaneous Electrical Nerve Stimulation (TENS) has long been used to ease arthritis, back pain and other ailments.

    Now, researchers say TENS might also work to ease the fatigue and pain that can come with long COVID.

    &ld...

    Wildfire Smoke Exposure Linked to Dementia Risk

    People in Southern California with relatively high exposures to wildfire smoke over a decade also had significantly higher risks for dementia, a new study warns.

    In fact, the fine-particle pollution created by these fires seems more closely tied to brain trouble than similar pollutants from factories and car exhaust, the researchers noted.

    Over the long-term, every one-microgram-pe...

    There May Be a Better Way to Treat Hematoma Brain Bleeds

    After a hit to the head or a fall, people, especially seniors, can develop a dangerous pooling of blood and fluid between the brain's surface and it's protective covering, the dura.

    These "subdural hematomas" typically require surgery to fix, but a new study suggests a better approach, one that makes sure repeat surgeries aren't required.

    That's important, because “even after...

    Living in Space Won't Permanently Harm Astronauts' Thinking Skills

    For astronauts who spend months at a time working on the International Space Station (ISS), there's good news.

    While their bodies and brains are affected by radiation, altered gravity, challenging working situations and sleep loss on these missions, a study of 25 astronauts found no evidence that those conditions damage their thinking skills over the long haul.

    "Living and working i...

    These Are the 3 Big Factors Driving Strokes

    A trio of risk factors not only increase your risk of stroke, but they also raise the odds that such a stroke will be debilitating, a new study warns.

    What are these three big dangers? Smoking, having high blood pressure and suffering from atrial fibrillat...

    Being Born Preterm Tied to Lifelong Harms in Employment, Education

    Babies born preterm face a life of lowered prospects, a new study warns.

    Adults who were preemies are less likely to achieve higher education or snag a high-paying job, researchers reported Nov. 6 in the journal PLOS One.

    What’s more, the earlier preterm a baby is born, the worse his or her future prospects a...

    Scientists Track Brain Function as Folks Watch Movies

    A person’s brain performs an intricate juggling act while watching a movie, a new study demonstrates.

    Scans showed that 24 different brain networks and regions engage from scene-to-scene, based on hard it is to follow the movie or what’s currently on the screen, researchers reported.

    The brain’s “executive control” networks -- regions related to plannin...

    Too Many Meds: 'Polypharmacy' Can Really Harm Alzheimer's Patients

    Alzheimer’s disease patients prescribed fistfuls of daily drugs are at greater risk of harm, a new study warns.

    Patients with Alzheimer’s prescribed five or more daily medications suffer from more symptoms, falls and hospitalizations, and t...

    No Evidence Adults With Autism Are More Vulnerable to Criminals, Study Finds

    Are people with autism less able to "read" the nefarious intent of criminals, leaving them more vulnerable to scams or coercion into criminal activity?

    It's been a common notion among trial lawyers, the Australian researchers behind a new report say, but it's not grounded in any real evidence.

    "This perspective may not hold up under scrutiny and we found that, in general, autistic a...

    Costs for MS, Parkinson's and Alzheimer's Meds Keep Rising

    A person battling multiple sclerosis spent an average of $750 in out-of-pocket fees on medicines in 2012, but by 2021 that same patient spent $2,378 annually, a new report finds.

    Out-of-pocket costs for drugs for neurologic diseases such as MS, Parkinson's and

  • Ernie Mundell HealthDay Reporter
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  • October 31, 2024
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    • Autism Diagnoses Rising Among U.S. Children, Adults

    Big surges in new autism diagnoses among young adults, as well a rise in diagnoses for girls and young women, have driven a near-tripling of U.S. autism cases in just over a decade, researchers report.

    Data on over 12 million patients enrolled in major U.S. health care systems found that between 2011 and 2022 the number of people diagnosed with autism climbed by 175%, according to a study...

    Even 'Weekend Warrior' Exercise Can Keep Your Brain Healthy

    Find it hard to take time to exercise during your busy workweek?

    No problem, a new study says -- one or two “weekend warrior” workouts are just as likely to help you maintain your brain health.

    People who regularly exercise, whether solely on the weekend or thro...

    Can Cannabis Change Your Brain? Maybe, Maybe Not

    People who regularly use marijuana experience changes in their brain structure and function, but it’s not clear that cannabis is the cause, a new study finds.

    Researchers found specific differences in the brains of people who’d ever used weed, particularly in areas densely packed with cannabinoid receptors. However, genetic analysis couldn’t pin down any specific associa...

    People's Brains Now Process Texts Almost as Quickly as Pictures

    Texts deliver rapid-fire messages, but a new study indicates human brains can keep up with the barrage.

    The brain can detect the basic linguistic structure of a brief sentence in roughly 150 milliseconds -- about the speed of a blink of an eye, researchers report.

    “Our experiments reveal that the brain’s language comprehension system may be able to perceive language simi...

    What Works Best to Ease MS-Linked Fatigue? New Study Finds Out

    Medication and behavioral therapy are both effective in combatting fatigue caused by multiple sclerosis (MS), either separately or together, a new study finds.

    MS patients felt significantly less fatigue after they were prescribed modafinil (Provigil), a drug that promotes wakefulness and is used to treat sleepiness, researchers repor...

    Antibiotics Reveal Links Between Gut Microbes, Parkinson's

    Certain gut microbes might be linked to a person’s risk of developing Parkinson’s disease, a new study suggests.

    People prescribed multiple courses of penicillin antibiotics have a modestly lower risk of developing Parkinson’s, researchers found.

    Those antibiotics ...

    Ozempic, Wegovy Might Help Lower Alzheimer's Risk in People With Diabetes

    Add Alzheimer’s disease to the list of conditions that might benefit from the revolutionary diabetes drug Ozempic, a new study says.

    People with type 2 diabetes taking semaglutide appeared to have a significantly lower risk of developing Alzheimer’s compared to patients taking seven other diabetes drugs, researchers reported...

    Common Post-Injury Action by Players Signals Concussion, Study Shows

    Maybe you've seen a cartoon character shake their head back and forth following a sharp blow -- clearing away whatever stars or birds are circling their noggins.

    Turns out, that same move might help coaches and physical trainers identify a concussi...

    Silent Damage First: Alzheimer's Disease Could Have Two Phases

    Alzheimer’s disease might damage the brain in two distinct phases, a new study suggests.

    An early phase that occurs slowly and silently appears to lay the groundwork for a second, more widely destructive phase of Alzheimer’s, according to s...

    Change in Alzheimer's Drug Vial Size Could Be Big Money-Saver for Medicare

    A simple tweak in available vial sizes of the breakthrough Alzheimer’s drug Leqembi could save Medicare hundreds of millions of dollars each year, a new analysis claims.

    About 6% of Leqembi (lecane...

    Learn Another Language to Boost Your Brain's 'Efficiency'

    Bilingual people have more active and flexible brains, a new study has discovered.

    Brain scans revealed that folks who speak two languages have increased connectivity between their brain regions, researchers reported Oct. 10 in the journal Communications Biology.

    This connectivity is strongest in people who le...

    All Those Head Spins By Breakdancers Could Be Harming Them

    This year, breakdancing joined the ranks of Olympic-caliber sports, with Japan’s B-girl Ami Yuasa and Canada’s B-boy Phil Wizard taking home the gold.

    Now doctors warn breakdancing shares something else with other major sports – the risk of serious overuse injury.

    Specifically, breakers appear to run the risk of “headspin hole” or “breakdance bulg...

    Injected 'Nanodiscs' Could Bring Brain Stimulation Therapy Without Implants

    Microscopic magnetic nanodiscs could provide a much less invasive means of providing deep brain stimulation, a new study says.

    The tiny discs – about 250 nanometers across, or 1/500 the width of a human hair – would be injected directly into specific regions of a person’s brain, researchers say.

    From there, researchers said, the discs could be activated by applying...

    Damage to Brainstem Could Be Driving Long COVID

    Damage to the brainstem could be behind the physical and psychological effects of Long COVID, a new study suggests.

    Brain scans of 30 Long COVID patients found they had damage to the region of the brainstem associated with breathlessness, fatigue and anxiety, researchers reported Oct. 7 in the journa...

    Could Lithium Supplements Ease the Brain Fog of Long COVID?

    A small dose of the nutritional supplement lithium asparate may not ease the fatigue and brain fog of Long COVID, a small, new trial involving 52 patients has found.

    Still, it's possible that a larger dose of the mood-enhancing supplement might work, researchers said.

    Importantly, the supplement contains much

  • Ernie Mundell HealthDay Reporter
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  • October 3, 2024
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    • Air Pollution Could Be Changing Children's Brains

    Even air pollution levels considered safe by U.S. standards appear to cause differences in the brains of growing children, a new review suggests.

    "We're seeing differences in brain outcomes between children with higher levels of pollution exposure versus lower levels of pollution exposure," said corresponding author Camelia ...

    So Fly: Scientists Complete Map of Adult Fruit Fly Brain

    The head of a Princeton team that mapped the brain of an adult fruit fly -- a watershed step in understanding the human brain -- explains the feat in a way that belies its complexity.

    "Just like you wouldn't want to drive to a new place without Google Maps, you don't want to explore the brain without a map," explained lead author

  • Carole Tanzer Miller HealthDay Reporter
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  • October 2, 2024
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    • Despite Progress, America's Fight Against Toxic Lead Far From Over

    Toxic lead continues to pose a danger to U.S. consumers despite years of progress to reduce exposure, claims a study spanning four states.

    "Consumer products were consistently identified as one of the main sources of lead exposure -- and the only identified source in 15 percent to 38 percent of cases -- in investigations of children with elevated blood levels in these four jurisdictions,"...

    Brain Injury & PTSD: Veterans' Study Suggests Area of Damage Is Key

    Brain damage that veterans suffered from flying shrapnel has provided a major clue that could lead to better treatment for post-traumatic stress disorder (PTSD), a new study says.

    Veterans who suffered shrapnel damage connected to their amygdala, the fear center of the brain, were less likely to develop PTSD, researchers reported Sept. 24 in the journal

  • Dennis Thompson HealthDay Reporter
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  • September 26, 2024
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    • Initial Symptoms of MS Could Guide Prognosis, Treatment

    Two key symptoms that can arise soon after a diagnosis of multiple sclerosis (MS) could predict how swiftly the illness will progress and suggest best treatment options, new research shows.

    The two symptoms -- blurred vision and sphincter dysfunction of the bladder and/or bowel -- can arise in some, but not all, patients early in the disease.

    When they do surface so quickly, patient...

    NFL Hall of Famer Brett Favre Has Parkinson's Disease

    Green Bay Packers legend and NFL Hall of Famer Brett Favre announced Tuesday that he has been diagnosed with Parkinson's disease.

    Favre, 54, made the announcement while testifying to Congress on his potential misuse of taxpayer funds.

    The former quarterback has been presenting testimony in Washington to the House Ways and Means Committee, following accusations that he used politica...

    Many Former NFL Players Believe They Have CTE, Raising Suicide Risk

    One in three former NFL players believe they have football-related brain damage that’s doing untold harm to their lives, a new study finds.

    Unfortunately, their fears might be harming their mental health on top of whatever risks they face from

  • Dennis Thompson HealthDay Reporter
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  • September 23, 2024
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    • Dad's Epilepsy Med Use Won't Harm His Kids: Study

    Would-be dads don’t have to worry that taking the epilepsy drug valproate will result in children with birth defects, a new review concludes.

    Valproate, an anti-seizure drug, is known to cause birth defects and developmental disorders when taken by pregnant women.

    B...

    Some Diabetes Meds Could Lower Odds for Dementia, Parkinson's

    A specific class of diabetes drug appears to lower people’s risk for dementia and Parkinson’s disease, a new study shows.

    Sodium-glucose cotransporter-2 (SGLT2) inhibitors, also known as gliflozins, lower blood sugar by prompting the kidneys to filter sugar out of the bloodstream and excrete it in urine, researchers said.

    But these drugs might also protect brain health, ...

    Some People With MS May Need Earlier, Higher-Dose Meds

    Early, aggressive treatment of brain lesions caused by multiple sclerosis could help ward off faster decline in patients, a new study finds.

    Such treatment could prevent or potentially cure paramagnetic rim lesions (PRL), areas of chronic brain inflammation that are linked to more rapid deterioration in MS patients, researchers report.

    “Checking PRL levels is not currently a s...

    Wildfire Smoke Might Harm Children's Mental Health

    As wildfires continue to burn across parts of California, a new study finds that smoke from these blazes and other air pollution could be harming kids’ mental health.

    Repeated exposure to high levels of particle pollution increases kids’ risk of depression, anxiety and other men...

    Could 'Brain Training' Exercises Help Slow Alzheimer's Symptoms?

    Brain training aimed at improving memory can ward off symptoms of Alzheimer’s disease for years, a new study claims.

    Seniors experienced a slower decline in their memory and thinking abilities after undergoing brain tra...

    Pregnancy Changes the Brain, Study Finds

    With implications for research around postpartum depression and other health issues, scientists have tracked the changes pregnancy brings to the female brain.

    These changes weren't subtle: Big shifts in what's known as the brain's "white matter" versus "gray matter" were observed, according to a team from the University of California, Santa Barbara (UCSB).

    “The maternal brain...

    Breathing Could Bring Microplastics Into the Human Brain, Study Shows

    For the first time, scientists have detected microscopic microplastics lodged in the human brain.

    Researchers in Germany and Brazil say that 8 out of 15 autopsied adults had microplastics detected within their brain's smell centers, the olfactory bulb.

    The particles were likely breathed in over a lifetime, since tiny floating microplastics are ubiquitous in the air.

    Although ...