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Health News Results - 569

Teens Have Triple the Odds of Misusing Marijuana Compared to Adults

In yet another report that illustrates the dangers pot poses to the young, developing brain, a new British study finds teenagers are much more likely than adults to develop an addiction to marijuana.

"We found that teenagers are three and a half times more likely to have severe cannabis use disorder, whi...

Research Spots Gene That Raises Alzheimer's Risk for Women

Researchers studying genes involved in Alzheimer's disease have identified a new gene, called MGMT, that increases risk for this common dementia in women.

“This is one of a few and perhaps the strongest associations of a genetic risk factor for Alzheimer's that is sp...

Brain Changes Link Menopause With Higher Alzheimer's Risk

Women are more likely to develop Alzheimer's disease than men, and a new study shows that certain brain changes known to increase this risk may accrue during menopause.

Women who have gone through menopause have more white matter hyperintensities in their brains than premenopausal women or men of the same age, res...

First Major League Soccer Player Is Diagnosed With CTE

When former professional Major League Soccer (MLS) player Scott Vermillion died at age 44, he had stage 2 CTE, his family announced Tuesday.

He is the first former MLS player diagnosed with chronic traumatic encephalopathy (CTE). Vermillion died from an accidental overdose in December 2020.

"Th...

Could Getting Your Flu Shot Help Prevent Alzheimer's?

A yearly flu shot may do more than protect you from a nasty bout of influenza: New research suggests it may help guard against Alzheimer's disease as well.

People who were vaccinated at least once over four years were 40% less likely to develop

Inhaled Pollutants Go Directly From Lungs to Brain: Study

Breathing in air pollution can lead to toxic particles entering the brain -- and not just through the nose. New research suggests they have a direct pathway through the bloodstream, potentially contributing to brain disorders and neurological damage.

"There are gaps in our knowledge around the harmful...

Neuro Symptoms of Long COVID May Persist for Months

Many COVID-19 long-haulers still have neurological symptoms such as headaches, fatigue and memory problems six months later, new research shows.

The findings are the first from an ongoing study of long-haulers by researchers at the University of California, San Diego School of Medicine.

  • By Robert Preidt HealthDay Reporter
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  • June 20, 2022
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  • Squeaky or Furry: New Insights Into Dogs' Love of Toys

    What goes through your dog's mind when you tell him to find his favorite toy?

    Hungarian researchers say Fido relies on a mental image based on sensory features. Dogs call to mind the way that toy looks, feels and smells.

    The finding — from the Family Dog Project at Eötvös Loránd University in Budapest — was recently published online in the journal

  • By Robert Preidt HealthDay Reporter
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  • June 20, 2022
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  • Salsa Is Smart: Latin Dance May Boost Your Aging Brain

    Latin dance classes may be a great workout and social outlet, but new research suggests that learning the intricate steps of the salsa, samba and merengue may also improve your memory.

    In the study, a Latin dance program was offered to more than 300 Spanish speakers over four years at 12 different sites in Chic...

    'Feverish': Healthy Human Brains Are Hotter Than We Thought

    New research gives new meaning to the term "hotheaded" — your normal brain temperature is higher and varies much more than previously thought.

    The findings could lead to future research into whether disruption of daily brain temperature rhythms might trigger

    Veterans May Face Lower Risk for CTE Than Ex-Athletes

    A degenerative brain condition uncovered in some former professional athletes has been reported in military veterans as well, but a new study suggests it's uncommon and questions whether service itself confers the risk.

    At issue is a condition called chronic traumatic encephalopathy (CTE), a form of p...

    Brain Changes May Be Hallmark of Anorexia

    People with anorexia nervosa show significant shrinkage in three important areas of the brain, new research reveals.

    The researchers said their study findings highlight the importance of early treatment, to prevent long-term structural brain changes in people with...

    Fever, Fatigue: Scientists Pinpoint the Brain's 'Sickness Center'

    A small area of your brain triggers the familiar symptoms of fever, chills, fatigue and loss of appetite when you have a viral or bacterial infection, new animal research suggests.

    The findings could eventually lead to ways to reverse this process when symptoms pose a risk to patients, such as when a fever gets too high or people don't eat or drink enough, according to the Harvard Univers...

    Isolation May Raise Odds for Dementia, Brain Study Suggests

    Staying connected to others may help protect your brain as you age, new research reveals.

    The study showed that social isolation — but not loneliness — can cause changes t...

    Nightmares Can Sometimes Warn of Parkinson's Onset

    Nightmares can be unsettling for anyone, but new research from Britain suggests that bad dreams may signal the start of Parkinson's disease in some older adults.

    "Although it can be really beneficial to diagnose Parkins...

    Mixed Martial Arts Fighters Show Signs of Brain Changes

    The football gridiron and the boxing ring have come to be understood as danger zones for the brain, with repetitive hits to the head causing long-term damage to some athletes.

    The same might be true of the MMA octagon as well, a new study says.

    The more that participants in mixed martial arts spar in ...

    Can Mindfulness Really Change Your Brain?

    Meditation and other mindfulness practices may improve your attention, but they won't lead to structural changes in your brain in the short-term, according to a new study.

    Previous studies have shown that learning new skills, aerobic exercise and balance training could trigger changes in the brain, and some research has suggested that mindfulness regimens could do the same.

    To find ...

    Could Eye Trouble Bring Lower Scores on Seniors' Thinking Tests?

    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

    Study in Rats Offers Hope for New Parkinson's Therapy

    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...

    Major Head Trauma May Up Risks for Dementia

    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, ...

    The 3 Midlife Factors That Raise Your Odds for Alzheimer's

    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...

    What Long Periods in Space Do to Astronauts' Brains

    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...

    Severe COVID May Age Survivors' Brains 20 Years: Study

    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 their ability to concentrate and problem solve," noted study author Adam Hampshire. He's an...

    Fooled by Fake News: Does Age Matter?

    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...

    Alzheimer's Research Casts Doubt on Safety of Popular Brain Supplements

    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.

    Scientists Calculate Perfect Amount of Sleep for Folks Over 40

    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...

    Teen Brain Naturally Tunes Out Mom's Voice

    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 ...

    'Brain Zap' Technology May Help Hardcore Smokers Quit

    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...

    More DNA Errors Seen in Brain Cells of Alzheimer's Patients

    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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  • Former College Football Players Suffer More Brain Disorders as They Age

    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 ...

    Mesh Plug a New Option for Treating Tricky Aneurysms

    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...

    How Does Exercise Guard Against Dementia? Study Reveals Clues

    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...

    Brain Scans Spot When Psychosis, Depression Might Worsen

    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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  • 'Good' Cholesterol in Brain May Help Keep Alzheimer's at Bay

    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'...

    Your Personality May Safeguard Your Aging Brain

    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...

    How the 'Magic Mushroom' Drug May Tweak the Brain to Ease Depression

    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.

    <...

    Could Some Rheumatoid Arthritis Meds Help Lower Alzheimer's Risk?

    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 of...

    New Insights Into Why Alzheimer's Can Bring Drowsiness

    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 th...

    New Charts Track 'Normal' Brain Growth, Decline Through the Life Span

    Doctors use all sorts of tools to determine if a person is fit and developing normally -- charts tracking height and weight for growing children, tables showing healthy blood pressure and cholesterol in adults.

    Now an international team of researchers has created the first standardized tool to track ...

    A Rose Is a Rose: Worldwide, People Like the Same Smells

    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...

    Half of Americans Now Think Playing Football 'Inappropriate' for Kids: Survey

    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...

    Managing a Baby's Low Blood Sugar Is Key to Health

    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...

    Good Sense of Direction? Where You Grew Up Is Key

    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 <...

    New Drug May Ease Tourette Tics in Kids, Teens

    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...

    Bruce Willis Stepping Down From Acting After Brain Disorder Diagnosis

    "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...

    Computer Helps 'Locked-In' ALS Patients Communicate, Shop Online

    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...

    'Overgrowth' of Brain Area in Infancy Could Play Role in Autism

    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...

    COVID Can Leave People With Lingering Nerve Damage

    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...

    Stakes Are High Ahead of FDA Panel Vote on ALS Drug

    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...

    'Magic Mushroom' Therapy: Does It Interact With Other Medicines?

    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 — ...

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