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300 Results for search "Genetics".

Health News Results - 300

THURSDAY, May 25, 2023 (HealthDay News) – People with a genetic predisposition to Alzheimer’s disease may have an increased risk of epilepsy, a new study says. And folks with a certain type of epilepsy may have higher odds of developing Alzheimer’s disease.

Having Alzheimer’s was lin...

A unique genetic brew has benefitted a Scottish woman who lives virtually pain-free, heals more rapidly and experiences reduced anxiety and fear, researchers from University College London report.

Pain geneticists have been studying the woman, Jo Cameron, for a decade. She came to their attention when her doctor noticed that she experienced no pain after major surgeries on her hip and han...

When it comes to predicting heart trouble down the road, the arteries may say a lot more than the genes do, according to a new study.

Researchers found that CT scans of the heart arteries were better than genetics at predicting middle-aged adults' risk of heart disease in coming years.

In fact, people's genes gave little useful information over and above low-tech methods, such as me...

Researchers working to unlock the mysteries of autism report they have discovered differences among children when two in a family have the condition versus just one.

Scientists from Cold Spring Harbor Laboratory in New York have been researching the genetic origins of autism for two decades. Their discoveries have included thousands of genes that, when damaged, may cause a child to be bor...

A subset of people may be at high risk for both psychiatric disorders and for using marijuana, based on their genetics, according to a new study.

Researchers from the University of Oslo in Norway have found that some of the genetic variants associated with cannabis use are also linked to psychiatric disorders.

“These findings are important as they show that the complex links betw...

MONDAY, May 15, 2023 -- Researchers have discovered a genetic mutation that should actively protect people from Alzheimer's, thanks to a man belonging to a Colombian family known to be susceptible to the degenerative brain disease.

Based on his family's genetics, this unnamed patient should have started showing signs of Alzheimer's in his 40s.

“They start getting impaired at age 4...

Detailed remnants of human DNA can be found just about everywhere that people have been, a surprising finding that raises a host of ethical issues for researchers, a new study says.

Environmental samples of human DNA were found nearly everywhere, save for isolated islands and remote mountaintops where people have never visited, researchers said. While sequencing this DNA offers researcher...

Last year, gene researchers made news by announcing the completion of the first complete sequence of the human genome.

That effort has now been expanded, with researchers using that success as a springboard to create a comprehensive and sophisticated collection of genome sequences that more accurately captures human diversity.

The new “pangenome” includes the genome sequences of...

While newborns are only screened for about 60 treatable conditions, there are hundreds of genetic disorders that have targeted treatments.

Now, a national survey of experts in rare diseases found the vast majority support DNA sequencing in healthy newborns.

Testing, surveillance and treatment options exist for over 600 genetic conditions. This includes a growing number of devastat...

The influence of Neanderthals is evident right in the center of the faces of modern humans.

New research finds that genetic material inherited from Neanderthals affects nose shape. A particular gene made the nose taller from top to bottom.

This may have been necessary as ancient humans adapted to colder climates.

“In the last 15 years since the Neanderthal genome has been s...

It's well known that being overweight or obese can increase health risks.

But a new study finds that the reasons why a person is obese may have some impact on heart disease risk.

Specifically, being obese because of lifestyle carried higher risks than it did if the extra weight was due to genetic predisposition, researchers found.

“The link between obesity and ca...

A good night's sleep is important for everyone, and it may be especially sage advice for adults with a genetic susceptibility to asthma, a new study says.

Someone with poor sleep quality and a genetic link to asthma may double their chances of being diagnosed with the respiratory condition, researchers said. But they found a healthy sleep pattern was linked to lower risk, according to a r...

Breakthrough research shows genetic markers for substance abuse and could lead to more effective ways to prevent and treat drug and alcohol use disorders.

These findings could help people who face addiction to varied substances, including those who have more than one addiction at a time.

The findings al...

It's a controversial notion, but couples undergoing fertility treatments may soon be able to select the sex of their baby — with an 80% chance of success, doctors say.

Sperm-sorting techniques have been tried and offered before, but the new procedure — which separates sperm cells based on weight — appears much more accurate and safe, according to a new study.

In the study...

Genetic analysis of Ludwig van Beethoven's hair has provided new clues into the cause of the great composer's death in 1827 — as well as evidence of a family scandal.

The analysis revealed that Beethoven suffered from a hepatitis B infection that could have contributed to his death from liver disease.

Researchers found DNA evidence of hepatitis B virus in a lock of hair taken from...

When Yoni Silverman, now 13, was a toddler, his parents fretted as he missed milestone after milestone. The New York City couple took their son to a host of specialists, searching for answers about why he wasn't speaking and had difficulty with balance, among other developmental issues.

Fast forward a few years later, and a Boston couple was going through something similar with their now ...

Some people may have a gene that helps protect them from respiratory diseases like COVID-19 -- and helped their ancestors fight the plague.

It comes at a cost.

This same gene variation may be linked to an increased risk of autoimmune disease, including rheumatoid arthritis and inflammatory bowel disease, according to British researchers.

“This gene essentially chops up prote...

Though BRCA1 or BRCA2 gene mutations are associated with breast and ovarian cancer in younger women, those over 50 continue to have a high risk of breast cancer.

That's true even if they didn't have breast cancer earlier, new research shows.

“What is striking about our results is that ...

Certain gene mutations put women at high risk of breast cancer, and now an early study hints that obesity might make matters worse.

The findings come from a study of breast tissue samples from women who carried particular mutations in genes called BRCA1 and BRCA2 — which convey much higher-than-normal risks of both breast and ovarian cancers.

The researchers found that among women...

A gene variant found almost exclusively among people of African descent appears to substantially raise the risk of Alzheimer's disease, a new study finds.

The variant is in a gene called ApoE3, and it's apparently only harmful when it exists in combination with the ApoE4 gene — a well-known risk factor for Alzheimer's.

That gene duo was present in only 1% of the nearly 32,000 ind...

A new study links obesity with 21 Alzheimer's disease-related genes.

This may help explain why Alzheimer's is often more frequent among adults who experienced obesity in midlife, according to researchers at the University of Texas Health Science Center at San Antonio.

To

Genes may have a strong influence over whether kids develop an eating disorder marked by extremely limited food choices, a new study finds.

The study focused on a condition called avoidant restrictive food intake disorder (ARFID). It's a relatively new diagnosis that describes people who seve...

Researchers have uncovered a serious risk for folks who have an extra X or Y chromosome.

Those with the genetic condition known as supernumerary sex chromosome aneuploidy have a risk for blood clots in a deep vein or lung that's four or five times higher than usual, a new study

Some women with cancer in one breast may have a greater risk of developing cancer in the other breast, new research suggests.

Those who carry a specific genetic change — a germline BRCA1, BRCA2 or CHEK2 mutation — have at least a twofold increased risk of cancer in both breasts, also called contralateral breast cancer, according to researchers at the Mayo Clinic Comprehensive Cancer C...

In the mammalian world, there are the hairy, the less hairy and the hairless. But why that is has remained a mystery.

Until now.

In a new study that compared the DNA of 62 animals, researchers found that while humans appear to have the genes for a full coat of body hair, evolution has disabled that DNA. The same thing has happened in mammals at least nine times, including in the anc...

Humans have continued to evolve after splitting from chimpanzee ancestors nearly 7 million years ago, according to a new study that found 155 new genes unique to humans that suddenly arose from tiny sections of DNA.

Some of the new genes date back to the ancient origin of mammals, according to the researchers. They suspect a few of these “microgenes” have links to hum...

Scientists have pinpointed four genes that seem to play a part in how vulnerable you are to suicidal thoughts or behaviors.

"It's important to note that these genes do not predestine anyone to problems, but it's also important to understand that there could be heightened risks, particularly when combined with life events," said study co-author

  • Cara Murez HealthDay Reporter
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  • December 14, 2022
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  • Full Page
  • More than 155,000 people who have taken part in a massive genetic study orchestrated by the U.S. National Institutes of Health (NIH) have already gotten something in return -- personalized DNA results that tell them whether they have an increased risk for certain health conditions.

    Called "All of Us," the study aims to eventually include at least 1 million people, in an effort to accelera...

    For some people, dozens of U.S.-approved drugs can lead to a rare but often fatal brain infection.

    Researchers have now confirmed a strong link between four genetic mutations and this illness, called progressive multifocal leukoencephalopathy (PML).

    A new study found that in people ta...

    A new genetic test may help determine which people with breast cancer can safely skip radiation after breast-conserving surgery to remove their tumor.

    Individuals with invasive breast cancer who had low scores on an investigational gene panel were just as likely to experience a recurrence if they received radiation therapy after breast-conserving surgery or not, Swedish researchers r...

    One might expect identical twins to have the same health outcomes.

    But it's not just genetics that makes a notable difference in their weight and in how their genes behave, according to a new study. Exercise can alter genetic markers of metabolic disease -- any of the diseases or disorders that disrupt norma...

    Is your pooch a herder or a hunter? You can try taking them to a trainer, but new research shows much of their behavior is hardwired in their DNA.

    For the new study, researchers analyzed DNA samples from more than 200 dog breeds and surveyed 46,000 pet-owners to try to suss out why certain breeds act the way they do.

    “The largest, most successful genetic experiment that humans hav...

    While appendix cancer is rare, for a small percentage of patients the disease may be linked to a particular genetic variant, a new study suggests.

    Researchers built on earlier research with this study, finding that 1 in 10 people with cancer of the appendix carries a genetic variant associated with cancer predisposition.

    "Based on these data, we are able to recommend genetic counse...

    Gene editing has for the first time produced modified immune cells finely honed to target and attack cancer cells, researchers say.

    A team used the gene editing tool CRISPR to alter immune cells drawn from 16 patients who had a variety of solid cancers, including colon, breast and lung.

    According to a report in the journal Nature, the genes of these immune cells were edited...

    Autism is a more comprehensive disorder than previously thought, and appears to arise from brain changes located throughout the cerebral cortex, not just in specific areas, a new study reports.

    Because of autism's specific symptoms, scientists had thought the disorder was likely caused by changes in brain regions believed to affect social behavior and language.

    But the new study -- ...

    Some children struggle to read or spell because of a condition called dyslexia that is known to run in families.

    Now, researchers report they have pinpointed a large number of genes responsible for the disorder.

    "Our findings show that common genetic differences have very similar effects in boys and...

    The Black Death pandemic wiped out as many as half of the people living in some of the Middle Ages' most densely populated places, sweeping through Europe, Asia and Africa nearly 700 years ago.

    Now genetic analysis has revealed why some of our ancestors died while others didn't — and how...

    Stillbirth is heartbreaking tragedy for parents, but exactly what raises the risk of it remains elusive.

    Certain health conditions in a pregnant woman can be a factor, but new research came up with a surprising finding: Stillbirth risk appears to be inherited through male members of the family on eithe...

    The answer to how tall a child will be is typically an estimate based on an average of the parents' heights.

    But an Australian study that included more than 5 million people has found that more than 12,000 genetic variants influence height.

    “Eighty percent of height differences between people are dete...

    The fight against malaria could hinge on genetically engineered mosquitoes that have something called "gene drive."

    Researchers from the Transmission: Zero team at Imperial College London report that they have engineered mosquitoes that slow the growth in their gut of the parasites that cause malaria. This delay would mean the mosquito would reach its natural life span before the parasite...

    Smoking around your child is unhealthy, but it could also harm your future grandchildren, a new study finds.

    Children are more likely to develop asthma if their father was exposed to secondhand smoke as a child, according to researchers from...

    Patients suspected of having amyotrophic lateral sclerosis (ALS) may soon be able to get a diagnosis much more quickly, not wasting the precious time many have left, new research suggests.

    In 20...

    A person's unrelated lookalike, commonly known as a doppelganger, may actually share genes that affect not only how they appear, but also their behavior.

    In a new study, scientists did DNA analysis on 32 sets of virtual twins — people with strong facial similarities — and found they possessed similar genetic variants.

    “Our study provides a rare insight into human likeness by...

    More than 70 genes are very strongly associated with autism and more than 250 are linked to the condition, a major new genetic analysis has revealed.

    The analysis is the largest of its kind to date, involving more than 150,000 participants, including 20,000 diagnosed with autism.

    The researchers found t...

    Men are known to be more likely to develop cancer than women, and a new study suggests that this is largely due to biologic differences between the sexes.

    “After controlling for factors like smoking, alcohol use, diet, physical activity and common medical conditions [that increase cancer risk]...

    It's important to talk to kids about family health risks, but the impact of sharing this kind of information has been unclear.

    It's probably safe, according to a new study, but how are you supposed to do it -- and when?

    Researchers found that kids generally have no problem coping when cancer risk information is shared with them. But it's not uncommon for parents to struggle with com...

    Scientists have unearthed a possible reason why men tend to die at younger ages than women: Those who lose Y chromosomes from their blood cells as they age may be more vulnerable to heart tissue scarring and heart failure.

    The research is the latest to look at the phenomenon of "

    Genetically altered pig hearts could soon become a viable transplantation alternative for people with life-threatening heart disease, new experiments show.

    A team at NYU Langone Health has successfully transplanted two such pig hearts into brain-dead humans on life support, making advances that may soon help address the nationwide organ shortage.

    No signs of early rejection were obs...

    Genes can put some men at heightened risk of prostate cancer, but a new study suggests they can undo much of that potential harm with a healthy lifestyle.

    Researchers found that among men at increased genetic risk of prostate cancer, those who maintained a healthy lifestyle were much less likely to die of the disease over...

    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 spec...