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17 Sep

A Single Session Of Aerobic Exercise Can Make You Smarter

Researchers say even a two-minute workout may boost your brain power

Health News Results - 384

Poor Sleep After Head Injury Could Point to Dementia Risk

Sleep disorders may increase the odds for dementia in survivors of traumatic brain injury, new research suggests.

The study included nearly 713,000 patients who were free of dementia when they were treated for traumatic brain injury (TBI) between 2003 and 2013. The severity of their brain injuries varied, and nearly six in 10 were men. Their median age was 44, meaning half were older, hal...

Girl's Tragedy Has Parents Calling for Changes to Car Design

Jay-Fay Fraser was in the back seat of her father's sedan, heading home from feeding the homeless on Thanksgiving 2016, when another car rear-ended them on the highway.

The driver's seat collapsed backward from the sudden force of the rear impact, slamming into Jay-Fay's head, her mother, Michelle Fraser, recounted.

"She lurched forward, the seat collapsed backward, and it basically...

Deep Brain Stimulation Therapy May Help Parkinson's Patients Long Term

THURSDAY, June 3, 2021 (HealthDay News) -- Parkinson's disease patients can get symptom relief with deep brain stimulation (DBS) therapy that lasts over the long term, a new study shows.

Over 15 years, patients who received DBS, which requires surgical implantation, had significant improvement in motor symptoms and less need for medication, researchers found.

"Our...

Amazon Tribe Could Hold Key to Health of Aging Brains

FRIDAY, May 28, 2021 (HealthDay News) -- A native South American population that lives a pre-industrial lifestyle may have a slower rate of brain aging than the typical Westerner, a new study finds.

The study focused on the Tsimane population, whose roughly 16,000 members dwell in a remote part of the Bolivian Amazon. They live by farming, hunting, gathering and fishing...

'Brain Fog' Can Linger With Long-Haul COVID

MONDAY, May 24, 2021 (HealthDay News) – As researchers work to learn more about COVID-19 and so-called long-haulers, a new study suggests "brain fog" can persist and even worsen for those who were infected months before.

Long-haulers continue to have symptoms long after their COVID diagnosis, and these symptoms can be mental as well as physical.

"People have trouble problem-solvin...

Why Don't People Have Memories of Their Infancy?

New insight into why you don't remember your earliest years of life is provided in a new study.

"A fundamental mystery about human nature is that we remember almost nothing from birth through early childhood, yet we learn so much critical information during that time -- our first language, how to walk, objects and foods, and social bonds," said senior author Nick Turk-Browne, a professor ...

Gluten Doesn't Trigger 'Brain Fog' for Women Without Celiac Disease: Study

FRIDAY, May 21, 2021 (HealthDay News) -- Going gluten-free is a trend that touts benefits for the mind and body, but a new study finds no evidence that gluten is bad for your brain.

Among nearly 13,500 middle-aged women, researchers found no connection between eating wheat, barley or rye (the sources of gluten) and mental ability.

According to the study authors, ...

Too Much TV May Dull the Aging Brain

Mom always said too much TV would rot your brain, and as with so many other things it appears she was right.

Middle-aged folks who regularly turn to TV for entertainment appear to have a greater risk of decline in their reasoning and memory later in life, three new studies suggest.

Researchers found that even moderate amounts of TV viewing were associated with worse performance on c...

Robotics Can Give People 3rd Thumb, But How Will Brain React?

THURSDAY, May 20, 2021 (HealthDay News) -- If you've ever wished you had an extra hand to accomplish a task, never fear, scientists are working on that. But a new study raises questions about how such technology could affect your brain.

The findings come from ongoing research into a 3D-printed robotic thumb known as "Third Thumb." It's worn on a person's dominant hand, ...

A Healthier Heart Might Make You Smarter

MONDAY, May 17, 2021 (HealthDay News) -- In new evidence that illustrates that health issues rarely exist in a vacuum, a new study finds a link between heart health and brain function.

Existing evidence suggests that having heart disease raises one's risk of dementia, and vice versa, but a team of researchers based in London wanted to find out if this connection could b...

'Mind-Reading' Technology Allows Paralyzed Man to Rapidly Text

A microchip implanted in the brain has allowed a paralyzed man to communicate by text -- at speeds that approach the typical smartphone user.

The achievement is the latest advance in "brain-computer interface" (BCI) systems.

Scientists have been studying BCI technology for years, with the aim of one day giving people with paralysis or limb amputations greater independence in their ...

Do Prescription Sleep Medicines Even Work?

An estimated 9 million Americans turn to prescription pills when they can't sleep, but a new study of middle-aged women finds taking the drugs for a year or longer may do little good.

Comparing a group of about 200 women who were medicated for sleep problems with over 400 women who had sleeping problems but did not take medication, researchers from Brigham and Women's Hospital in Boston f...

New Insights Into Treating Mild Head Injuries

It may be possible to treat the thinking problems that result from repeated hits to the head, a new laboratory study suggests.

The new experiments with mice are the first to offer a molecular analysis of what happens in the brain after repetitive but mild blows to the head, said researcher Mark Burns. He is head of the Laboratory for Brain Injury and Dementia at Georgetown University, in ...

Most Severe COVID Cases Involve Neuro Issues, and They're More Often Fatal

Neurological problems are occurring in a very high percentage of hospitalized COVID-19 patients -- and what's worse, those symptoms foretell a bad end for many sufferers, a new study finds.

About four out of five people sick enough to be hospitalized for COVID-19 suffer some sort of neurological problem, ranging from headache and a loss of sense of smell to confusion, delirium, stroke a...

Road to Healthy Middle-Aged Brain May Begin in Childhood

Could having heart disease risk factors in childhood sow the seeds of thinking declines in middle-age?

It looks like it might, new research claims.

"I think it was not so big of a surprise for us, but maybe for the scientific community who have been focusing mainly on the midlife risk factors and old-age cognition," said study co-author Suvi Rovio. She is senior researcher of cardio...

Why Sleep Raises Risk for Sudden Death in People With Epilepsy

New research gives insight into why people with epilepsy are at increased risk of sudden death during sleep.

The study found that both sleep and epileptic seizures work together to slow heart rate, and that seizures also disrupt the body's natural regulation of sleep-related changes.

These factors can sometimes lead to sudden unexpected death in epilepsy (SUDEP), which caused the 20...

Failing Kidneys Could Bring Higher Dementia Risk

Chronic kidney disease may carry an increased risk of dementia, according to a Swedish study.

In people with chronic kidney disease, the bean-shaped organs gradually lose their ability to filter waste from the blood and eliminate fluids.

"Even a mild reduction in kidney function has been linked to an increased risk of cardiovascular disease and infections, and there is growing evide...

How a Little Alcohol Might Help the Heart

A bit of booze may help protect your heart by reducing stress-related brain activity, a new study suggests.

"The thought is that moderate amounts of alcohol may have effects on the brain that can help you relax, reduce stress levels and, perhaps through these mechanisms, lower the incidence of cardiovascular disease," said lead author Dr. Kenechukwu Mezue, a nuclear cardiology fellow at M...

1 in 4 U.S. Teens Has Had a Concussion: Study

Nearly one in four American teens has suffered at least one concussion, according to new research.

And though more teens are self-reporting sports-related concussions, visits to the emergency room for these traumatic head injuries fell between 2012 and 2018.

"One reason that could explain why adolescents who participate in sports saw an increase in self-reported concussion could be ...

'Ghosts and Guardian Angels': New Insights Into Parkinson's Hallucinations

Parkinson's disease is widely seen as a movement disorder, but it can cause an array of symptoms, including hallucinations. Now a new study has shed light on what is happening in the brain during those disturbances.

The study focused on Parkinson's patients who have so-called presence hallucinations -- a false feeling that another person is nearby.

Researchers found that they were a...

Breathing Dirty Air Could Raise a Child's Risk for Adult Mental Illness

Kids exposed to air pollution may be at risk for mental illness in early adulthood, a new study suggests.

Researchers found that young adults in Britain who were exposed to higher levels of traffic-related air pollutants during their childhood and teen years were prone to develop symptoms of mental illness later. Nitrogen oxides were a particular problem, the study authors reported.

Higher Education Won't Help Preserve the Aging Brain: Study

That college degree may be useful in many ways, but new research suggests it probably won't keep your brain from shrinking with age.

Over the years, a number of studies have suggested that education might buffer people against age-related declines in memory and thinking. But those findings did not prove a cause-and-effect relationship.

In the new study, researchers asked whether peo...

Head Injury, Alzheimer's Appear to Affect Brain in Similar Ways

Alzheimer's disease and traumatic brain injury appear to affect the brain in similar ways, according to a study that may point to new ways to identify people at high risk for Alzheimer's.

"These findings are the first to suggest that cognitive impairment following a traumatic brain injury is useful for predicting the magnitude of Alzheimer's-like brain degradation," said study author Andr...

Lullaby Effect: Music Can Speed Your Way to Sleep, Study Finds

Music hath charms to soothe you off to slumber, new research suggests.

The study found that calming tunes at bedtime seem to help older people struggling with insomnia.

"We found music therapy was effective for older adults with sleep disturbance," said study co-author Yen-Chin Chen, an associate professor of nursing at National Cheng Kung University in Tainan, Taiwan.

That's ...

How 'Bleeding' Stroke Affects Brain May Depend on Your Race

Black and Hispanic survivors of a bleeding stroke are more likely than white survivors to have changes in small blood vessels in the brain that increase the risk of another bleeding stroke, researchers say.

'Bleeding' strokes, also called hemorrhagic stroke, comprise about 13% of all strokes. They occur when an artery in the brain leaks or ruptures.

"While Black and Hispanic bleedin...

Brain Study Suggests Autism Develops Differently in Girls Than Boys

Autism appears to develop differently in girls and boys, so the findings of research conducted mainly with boys might not apply to girls, a new study suggests.

Autism spectrum disorder is four times more common in boys, which may help explain why there's far less research about autism in girls.

"This new study provides us with a roadmap for understanding how to better match current...

Could Chronic Sinusitis Affect Brain Health?

As if the headaches and stuffy nose aren't bad enough, chronic sinus trouble often leaves patients foggy-headed and depressed. Now, new research suggests one possible reason why: Sinusitis may trigger changes in brain activity.

"Chronic sinusitis is incredibly common," said study lead author Dr. Aria Jafari. Upwards of 11% of all Americans are affected, added Jafari, an assistant profess...

High School Football Doesn't Affect Brain in Middle Age, Study Says

Here's some good news for aging athletes: If you played high school football, you're no more likely than others to have problems with concentration, memory or depression in middle age, according to a new study.

"Men who played high school football did not report worse brain health compared with those who played other contact sports, noncontact sports, or did not participate in sports dur...

It's a Scream: Human Brains Alert to Positive Shrieks

Screams have different meanings, and you're likely to respond quicker to screams of joy than to those of anger or fear, a new study suggests.

Previous research has largely focused on screams triggered by alarm or fear.

In this study, a team from the University of Zurich in Switzerland examined the meaning behind different human screams and identified six emotionally distinct types: ...

COVID Plus 'Bleeding' Stroke Doubles a Patient's Death Risk

'Bleeding' stroke patients with COVID-19 are more than twice as likely to die as those without COVID-19, new research shows.

For the study, a research team from the University of Utah analyzed data from 568 hospitals in the United States. They compared a control group of more than 23,300 patients without COVID-19 who suffered a bleeding (hemorrhagic) stroke to 771 COVID-19 patients who ha...

Your Zip Code Could Help or Harm Your Brain

Where you live could affect your brain health as you age, a new study claims.

Specifically, it found that middle-aged and older people in poorer neighborhoods showed more brain shrinkage and faster mental decline than those in affluent neighborhoods.

""Worldwide, dementia is a major cause of illness and a devastating diagnosis," said study author Dr. Amy Kind, of the University of ...

Stress Not Always a Trigger for Relapse in Eating Disorders: Study

Stress does not trigger binge eating in people with eating disorders, new research suggests.

The findings challenge a common theory that's never been directly tested in patients, according to the study authors.

Their research included 85 women (22 with anorexia, 33 with bulimia and a control group of 30 without an eating disorder). The study participants were assessed for two days t...

Many Kids Who Develop Severe COVID-Linked Syndrome Have Neurologic Symptoms

In very rare cases, children infected with the new coronavirus can develop a severe illness known as multisystem inflammatory syndrome (MIS-C). Now, research finds that these young patients often develop neurologic symptoms along with the respiratory issues they might face.

These neurologic symptoms were present in half of children who were hospitalized with MIS-C, U.K. researchers say.

Research Shows Links Between Gum Disease and Alzheimer's

Don't forget to floss: New research adds to evidence linking gum disease with Alzheimer's disease.

The mouth is home to both harmful bacteria that promote inflammation and healthy, protective bacteria, the study authors explained.

In the new study, the researchers found that people who have more harmful than healthy gum bacteria were more likely to also have a protein marker for Al...

Some Kids Snore, and It Could Affect Behavior

Snoring just isn't for adults, and behavior problems in kids who regularly snore may be due to changes in their brain structure, researchers say.

Prior studies have found a link between regular snoring and behavior problems such as inattention or hyperactivity, but this connection isn't fully understood.

And a few small studies have reported a link between sleep apnea -- prolonged b...

Is Empathy Born in Mom's First Hugs?

Show your baby your love, and you'll get a kinder, gentler adult child as your reward, a new study suggests.

More than 20 years ago, researchers in Israel began studying the impact on newborns of time spent in physical contact with their mothers.

The investigators followed these infants, born in the mid- to late-1990s, for two decades.

Now, their latest results -- based on n...

More Kids With Autism May Be Doing Well Than Thought

School-age children with autism may be faring better than commonly thought, with most "doing well" in at least some aspects of development, a new study suggests.

The study, of 272 children with autism spectrum disorder (ASD), found that nearly 80% were doing well in at least one of five developmental areas by age 10. Nearly one-quarter were doing well in four of those areas.

The res...

Many Recovering COVID Patients Show Signs of Long-Term Organ Damage

Long-term organ damage appears to be common in hospitalized COVID-19 patients after they've recovered and been discharged, British researchers report.

One U.S. expert who read over the report said she's seen the same in her practice.

"This study proves that the damage done is not just to the lungs, but can affect the heart, the brain and the kidneys, as well," said Dr. Mangala Naras...

Some Hospitalized COVID Patients Develop Seizures

COVID-19 can harm multiple organs in the body, including the brain. Now, a new study says some hospitalized COVID-19 patients have non-convulsive seizures that may increase their risk of death.

"Seizures are a very common complication of severe critical illness. Most of these seizures are not obvious: Unlike seizures that make a person fall down and shake, or convulse, seizures in critica...

How Learning a New Language Changes Your Brain

Brain activity increases when you start to learn a new language, but slows down as you become more proficient, a new, small study finds.

"In the first few months, you can quantitatively measure language-skill improvement by tracking brain activations," study co-author Kuniyoshi Sakai, a neuroscientist at the University of Tokyo, said in a school news release.

The study included 15 n...

Loneliness in Mid-Life Linked to Higher Odds for Alzheimer's

Middle-aged folks who feel persistently lonely appear to have a nearly doubled risk of developing dementia or Alzheimer's disease, a new study reports.

If you take steps to counter your loneliness, however, you might actually reduce your dementia risk, the researchers found.

Dementia risk rose 91% in those who reported feelings of loneliness that persisted across two separate health...

'Zombie Genes' Spur Some Brain Cells to Grow Even After Death

When people die some cells in their brains go on for hours, even getting more active and growing to gargantuan proportions, new research shows.

Awareness of this activity, spurred on by "zombie genes," could affect research into diseases that affect the brain.

For the study, researchers analyzed gene expression using fresh brain tissue collected during routine surgery and found that...

A Stressed Brain Might Play Role in 'Broken Heart' Syndrome

The brain may play a role in so-called broken heart syndrome, a new study suggests.

Formally known as Takotsubo syndrome (TTS), it's a temporary -- but potentially deadly -- heart condition brought on by stressful situations and emotions.

In this study, published March 25 in the European Heart Journal, researchers wanted to find out if increased stress-associated metabolic ...

Exercise Boosts Blood Flow to Brain, Keeping it Sharp

Regular aerobic exercise increases blood flow to the brain, which may help slow mental decline in older adults, a new, small study suggests.

Researchers from University of Texas Southwestern Medical Center looked at 70 men and women diagnosed with mild cognitive impairment (MCI). This means there are slight changes to the brain that affect memory, decision-making or reasoning skills. In m...

'Game of Thrones' Study Reveals the Power of Fiction on the Mind

It's not unusual for a fictional character to ring such a chord that their story shapes your life.

Think of educators inspired by Robin Williams' character in "Dead Poets Society," lawyers drawn to the profession by Perry Mason or Atticus Finch, or health professionals motivated by the doctors on "ER" or "Grey's Anatomy."

Now researchers think they've figured out why fiction can so ...

Some Folks Do Age Slower Than Others

People really do vary in how fast they age, and the divergence starts in young adulthood, a new study suggests.

The researchers found that by the tender age of 45, people with a faster pace of "biological aging" were more likely to feel, function and look far older than they actually were. And that relative sprint toward old age began in their 20s.

The findings, the study authors sa...

Minutes Mean Months: Getting Stroke Care Fast Is Vital, Study Confirms

For someone suffering a severe stroke, every 10 minutes that goes by before treatment starts in the emergency room may cost eight weeks of a healthy life, Canadian researchers report.

In fact, delays in the hospital may have worse consequences for recovery than delays in getting to the hospital, they noted.

"Our study confirmed that any delay in delivering appropriate stroke treatme...

Could Low-Dose Aspirin Help Shield You From COVID-19?

It's already being taken by millions to help ward off heart issues, and now preliminary research hints that daily low-dose aspirin might also cut your odds of contracting COVID-19.

As the Israeli research team noted, aspirin is an anti-inflammatory and previous studies have shown that it may help the immune system combat some viral infections. According to the researchers, aspirin was wid...

Could a New Drug Help Ease Alzheimer's?

About 7 out of 10 Alzheimer's patients wound up free of the brain plaques that are a hallmark of the disease after treatment with a potentially breakthrough experimental drug, clinical trial results show.

The drug, donanemab, also significantly slowed the patients' brain decline, according to findings published March 13 in the New England Journal of Medicine.

Donanemab diss...

Clocks 'Spring Forward' on Sunday: Be Prepared

Many people dread the switch to daylight saving time. When you're losing an hour of sleep, it can be hard to actually feel like springing forward.

Dr. Rachel Ziegler, a sleep medicine physician from the Mayo Clinic Health System in Fairmont, Minn., offers some tips for easing into the time change before it happens on March 14.

Ziegler recommends getting to bed 15 minutes early now, ...

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