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Health News Results - 551

Poor eyesight makes it harder to read and easier to trip. But it can also lead to a misdiagnosis of mild mental decline in older people, according to a new, small study.

That can happen if someone's thinking abilities are assessed using vision-dependent tests, researchers explained.

They noted that as many as 1 in 4 people older than 50 have undiagnosed vision problems such as

Experimental stem cell replacement therapy for Parkinson's disease shows promise in rats and will soon be tested in a human clinical trial, researchers say.

"We cannot be more excited by the opportunity to help individuals who suffer from [a] genetic form of Parkinson's disease, but the lessons learned from this trial will also directly impact patients who suffer from sporadic, or non-gen...

People who've had a major traumatic brain injury (TBI) may be at increased risk for dementia, according to a new study.

"Approximately 1 in 10 people in our study who had major TBI did develop dementia," said study co-author Dr. Rahul Raj, ...

Certain lifestyle factors can sway the risk of dementia, and a new study points to the top threats to Americans these days: obesity, physical inactivity and lack of a high school diploma.

Researchers found that in just the past decade, there has been a shift in the most important modifiable risk factors for dementia in the United States. In 2011, the big three were physical inactivity, de...

Scientists have unearthed new details about how astronauts' brains are affected by extended trips in space.

"These findings have important implications as we continue space exploration," said study co-author Dr. Juan Piantino. He is an assistant professor of pediatrics (neurology) at Oregon Health & Science University School of Medicine, in Portland. "It also forces you to think about som...

A serious bout of COVID-19 can prompt a serious loss of brain power, new research warns, triggering a drop in IQ that's equivalent to aging from 50 to 70 in a matter of months.

"Previous research has indicated that people who have recovered from COVID-19 may suffer from lasting problems in terms of ...

Older adults are no more likely to believe fake news than younger adults, with the exception of the very oldest, a new study finds.

Falling for fake news can have significant physical, emotional and financial consequences, especially for older adults who may have their life savings or serious medical issues at stake, the researchers said.

"We wanted to see if there was an age differ...

A dietary supplement believed to protect against Alzheimer's disease might instead be potentially harmful to the brain, a new study warns.

L-serine is an amino acid that serves many different roles in the body, and one is to influence the development and function of synapses in the brain.

Are you over 40 and wonder what the magic amount of sleep every night might be? A new study arrives at an answer.

It turns out that seven hours of sleep a night may be the ideal amount for keeping your brain in good health if you're middle-aged or older.

"Getting a good night's sleep is important at all st...

Mom's voice may be music to a young child's brain, but the teen brain prefers to change the station, a new study finds.

Past research using brain imaging has revealed how important a mother's voice is to younger children: The sound stimulates not only hearing-related parts of the brain, but also circuits involved in emotions and "reward" — in a way strange voices simply do ...

Smoking is said by some to be the hardest addiction to break, and certain people might benefit from brain stimulation to quit, French researchers suggest.

Smokers who received noninvasive brain stimulation -- using low-intensi...

Genetic mutations build up faster in the brain cells of Alzheimer's disease patients than in other people, new research reveals.

The discovery could point the way to new Alzheimer's treatments.

DNA errors called

  • By Robert Preidt HealthDay Reporter
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  • April 22, 2022
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  • College football players live longer than those who didn't play, but they suffer more brain-related issues as they age, a new study finds.

    Among former Notre Dame football players, being physically fit was tied to lower deaths from heart disease and diabetes. But the former players were five times more likely to have impaired thinking and memory ("cognition") and 2.5 times more likely to ...

    A mesh plug normally used to treat one type of brain aneurysm is also effective when dealing with another type, a new study says.

    Aneurysms are bulges in blood vessels that can cause a life-threatening rupture. They typically occur where a blood vessel forks into two branches (bifurcates), but can also occur on the side of a blood vessel.

    The study found that a device called a Woven...

    Exercise may help safeguard your brain as you age, and a new study suggests how this might happen.

    Previous research has shown that physical activity helps protect brain cells. This paper indicates it may do that through lower levels of insulin and body fat.

    "These results may help us to understand how physical activity affects brain health, which may guide us in developing strategi...

    The future of diagnosing and targeting treatments for serious mental health disorders may include MRI brain scans.

    Researchers in the United Kingdom found that brain scans enabled them to identify which patients with major depression or

  • Cara Murez HealthDay Reporter
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  • April 18, 2022
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  • Higher levels of "good" cholesterol in the fluid surrounding your brain and spinal cord may help protect you from Alzheimer's disease, a new study suggests.

    "This study represents the first time that small HDL particles in the brain have been counted," said study co-author Dr. Hussein Yassine. He is an associate professor of medicine and neurology at the University of Southern California'...

    Certain personality traits may make older adults more or less vulnerable to waning memory and thinking skills, a new study suggests.

    The study, of nearly 2,000 older adults, found that those high on the "conscientious" scale — organized, self-disciplined and productive — were less likely to develop mild cognitive impairment. That refers to subtler problems with memory and other mental...

    Psilocybin — the active component in "magic mushrooms" — may help rewire the brains of people with depression.

    Psychedelics including psilocybin have shown promise in treating many mental health disorders in recent years, and a new study is among the first to begin to unravel precisely how they work.

    <...

    In their search for a drug to prevent Alzheimer's disease, scientists are taking a look at certain rheumatoid arthritis drugs.

    Preliminary findings suggest that a type of rheumatoid arthritis drug known as TNF inhibitors may lower dementia risk in rheumatoid arthritis patients who also suffer from heart disease.

    But no one is suggesting these drugs be prescribed broadly to stave o...

    Alzheimer’s patients are often drowsy during the day, but it might not be because of poor sleep at night.

    Instead, a clinical trial that monitored patients' sleep and then studied their brains after death discovered an entirely different reason for such sleepiness -- they suffer a loss of neurons ...

    A rose by any other name would smell as sweet, wrote William Shakespeare.

    It appears he was correct.

    The smells that people like or loathe are determined not by cultural experiences but mostly by the structure of the odor molecule, according to a new international study.

    "We want...

    As sign-ups for youth football get underway this spring, a new study reveals that Americans may love their football, but half now believe that kids should not play the tackle version of the game.

    The researchers found that of nearly 4,000 U.S. adults surveyed, only 45% agreed that tackle football is an "appropriate sport for kids to play." Half disagreed, while the remaining 5% were unsur...

    Correcting low blood sugar in infants reduces their risk of brain development problems later in life, new studies show.

    Low blood sugar (hypoglycemia) is common in babies, affecting more than 1 in 6. Glucose (sugar) is the main source of energy for the brain, and untre...

    Your ability to find your way around may be influenced by your childhood surroundings.

    Researchers in the United Kingdom and France have discovered that people raised in the country or suburbs are better navigators than those who grew up in cities, particularly those with grid-pattern streets.

    The study included nearly 400,000 people in 38 countries who played a mobile game called <...

    An experimental drug shows promise in reducing tics in young people with Tourette syndrome.

    Ecopipam, which failed as a weight loss medication, may reduce tics by 30% in kids and teens with Tourette without the unpleasant side effects of current treatments, researchers say.

    "This drug significantly reduced tics, compared to placebo, and did not have side effects associated with othe...

    "Die Hard" star Bruce Willis is stepping away from acting following a recent diagnosis of aphasia, a disorder affecting the part of the brain responsible for language.

    Willis' ex-wife Demi Moore, current wife Emma Heming Willis and daughters announced his decision in an Instagram post Wednesday, noting that "he has bee...

    A handful of "locked-in" amyotrophic lateral sclerosis (ALS) patients can now work a laptop computer using their brain waves, thanks to an implant lodged in a major vein inside their skull.

    The implant — a stent lined with 16 miniscule electrodes — is nestled in a vein located near the motor cortex of comp...

    Researchers report that overgrowth of a part of the brain that's associated with autism occurs during infancy, a finding that may make it possible to diagnose the disorder at an earlier age.

    The amygdala is a small structure in the brain that's crucial in interpreting social and emotional cl...

    For many people, damage from COVID-19 continues well beyond the initial infection. A case in point: Pain, tingling and numbness in the hands and feet can occur for weeks or months afterward, a new study reveals.

    The researchers surveyed more than 1,550 patients who underwent COVID-19 testing at the Washington University Medical Campus in St. Louis over a 10-month period early in the pande...

    Advocacy groups are pressing U.S. federal regulators to fast-track approval of an experimental drug treatment for the deadly neurological disease ALS (amyotrophic lateral sclerosis), with a decision expected this week.

    The push to approve the drug, so far just called AMX0035, is based on partial data from cl...

    Psilocybin, the psychedelic substance in "magic" mushrooms, is generating lots of interest as a potential treatment for a host of mental ills, but new research warns there is little data on how it might interact with more traditional psychiatric medications.

    "There's a major incongruence between the public enthusiasm and exuberance with psychedelic substances for mental health issues — ...

    Unable to move a single muscle, even to open your eyes. Completely locked into your own body, yet fully conscious and aware.

    Lou Gehrig's disease — amyotrophic lateral sclerosis (ALS) — is a nightmare in its advanced form, leaving patie...

    The party drug "ecstasy" might be the key to helping people heal from post-traumatic stress disorder (PTSD), new clinical trial results indicate.

    In a small study, PTSD patients treated with a powerful combination of the psychedelic drug, also known as MDMA, and talk therapy were much more likely to...

    After a diagnosis of Alzheimer's disease, families have much to worry about. They wonder what's next and how long their loved one has left to live.

    A new study from UT Southwestern Medical Center in Dallas addresses those questions, finding that mental (cognitive) decline, age and other factors affect life expectancy after an Alzheimer's diagnosis.

    The study authors say the findings...

    Taking longer or more frequent naps during the day may sound enticing, but it may be a harbinger of Alzheimer's disease.

    Older adults who nap throughout the day may be more likely to develop Alzheimer's, while napping may also be a consequence of advancing Alzheimer's, a new study suggests.

    "D...

    Memory and concentration problems haunt 7 in 10 patients with long COVID, a pair of new studies indicate.

    The findings suggest that COVID-19 has a notable impact on brain health, even if the precise underlying mechanisms remain unclear, B...

    Most brain studies that rely on MRI scans don't include enough people to provide trustworthy results, researchers say.

    These brain-wide association studies use MRI (magnetic resonance imaging) to see how brain structure and function connect with personality, behavior, thinking, neurological conditions ...

    People who sleep with a light on may be unwittingly keeping their nervous system awake, a small study suggests.

    The study of 20 healthy adults found that just one night of sleeping with the lights on spurred changes in people's functioning: Their heart rates stayed higher during sleep compared to a night with l...

    You regularly can't remember where you left your phone or your book. You keep missing appointments. You often lose your train of thought during conversation.

    Many older folks shrug off these instances as so-called "senior moments" -- but experts say this isn't typically part of normal aging.

    Instead, these are signs of mild cognitive impairment (MCI), a stage that exists between the...

    Just a bit of exercise can help keep your brain in shape as you age, according to the latest study that shows how physical activity can benefit older minds.

    "This finding isn't saying, 'If you're older, you need to go out there and start running marathons,'" said lead author Marissa Gogniat, a recent doctoral graduate in psychology from the University of Georgia.

    "This is saying if ...

    Two groups of indigenous people in the Bolivian Amazon have some of the world's lowest dementia rates, and that may offer insight on how to prevent Alzheimer’s disease, a new study suggests.

    Researchers found only about 1% of older Tsimane and Moseten people have dementia, compared with 11% of people 65 and olde...

    Not everyone who becomes forgetful as they age develops dementia, and a new study suggests that those with college degrees and advanced language skills are likely to get better.

    Mild cognitive impairment (MCI) is an early stage of memory loss marked by lapses in memory and thi...

    Here's more evidence of the toll that COVID-19 takes on the human brain: A new study finds biomarkers of neuron damage and brain inflammation in the blood are associated with brain function changes in both hospitalized COVID-19 patients and people with long COVID.

    Combined blood biomarker ...

    Headphones have a much greater impact on listeners than external speakers because they put voices "inside your head," a new study explains.

    "Headphones produce a phenomenon called in-head localization, which makes the speaker sound as if they're inside your head," said study co-author On Amir, a professor of marketing at the University of California, San Diego.

    "Consequently, liste...

    Add better brain health to the growing list of protections your beloved pet may provide you: New research suggests that older adults with a furry companion showed slower mental declines than those without one.

    "Prior studies have suggested that the human-animal bond may have health benefits like decreasing

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  • February 24, 2022
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  • If a great singer seems to light up your mind, it's not your imagination.

    Researchers at Massachusetts Institute of Technology (MIT) have identified a group of neurons in the brain that react to singing but not to other types of music.

    "This was

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  • February 23, 2022
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  • You used to be able to make snap judgments in your 20s, but now it feels like you take a lot longer to react to questions, decisions and challenges put before you.

    Don't fret, it's not that you're losing brain power.

    Your response time does tend to slow down as you age, but a new study argues that's not because your brain's processing speed is deteriorating.

    Your brain remains...

    A person's memory and thinking abilities can still be affected a year after suffering a concussion, a new study finds.

    The results suggest that poor mental ("cognitive") outcomes may be more common than once thought, said study author Dr. Raquel Gardner of the University of California, San Francisco.

    <...

    It's called CPAP for short, and the treatment helps millions with sleep apnea breathe better at night. But new research suggests it might not make any difference for patients over 80.

    "By all the measures we tried, whether it was sleepiness, quality of sleep, blood pressure, depression or anxiety, we found no significan...

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