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17 Sep

A Single Session Of Aerobic Exercise Can Make You Smarter

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Health News Results - 384

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...

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...

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...

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...

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...

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 ...

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, ...

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...

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, ...

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...

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 ...

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...

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 ...

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...

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...

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...

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...

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...

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 ...

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...

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.

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...

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...

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 ...

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...

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...

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...

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...

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: ...

'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...

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 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...

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.

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...

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...

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...

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...

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...

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...

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...

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...

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...

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 ...

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...

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 ...

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...

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...

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...

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...

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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