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Results for search "Genetics".

Health News Results - 256

Men More Prone to Cancer Than Women, But Why?

WEDNESDAY, Aug. 10, 2022 (HealthDay News) -- 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 ac...

When Genes Raise a Mom's Risk for Cancer, Is It OK to Tell Kids?

FRIDAY, July 22, 2022 (HealthDay News) -- 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...

Men Often Die Before Women, and the Y Chromosome May Be to Blame

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 "

Pig Hearts Successfully Transplanted Into 2 Brain-Dead Patients

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...

Think You're at High Risk of Prostate Cancer? Healthy Living Can Slash Odds for Lethal Disease

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...

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 spec...

Bitter or Savory, Taste Genes Could Influence Your Diet

People who have never outgrown an aversion to broccoli, or an addiction to potato chips, can place part of the blame on their genes, preliminary research suggests.

The study, of over 6,200 adults, turned up correlations between certain taste-related genes and people's preferences for particular

  • Amy Norton HealthDay Reporter
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  • June 14, 2022
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  • You, Your Family and Cancer: How Genetic Counseling Works

    If you have a family history of cancer and are considering genetic counseling to measure your risk for the disease, an expert offers some advice.

    Genetic counseling can help you understand your family's cancer history and how it applies to you, said Tanya Eble, an associate professor of molecular and human genetics and a genetic counselor at Baylor College of Medicine in Houston. She outl...

    Gene Test Lets Some Colon Cancer Patients Safely Skip Chemo

    A blood test could save some colon cancer patients from getting unnecessary chemotherapy following surgery, while making sure that those who would benefit from the treatment get it, researchers report.

    The circulating tumor DNA (ctDNA) test looks for minute amounts of genetic material that are released by...

    Some Younger Women With Early-Stage Breast Cancers Might Skip Radiation

    Tens of thousands of breast cancer patients could safely go without radiation therapy after their tumor has been removed, a new study argues.

    Gene testing helped doctors identify a group of women who skipped radiation therapy because their cancer showed very low...

    Your Height Could Be a Factor in Disease Risk

    If you're taller than average, your genes may affect your risk for a variety of diseases, a new study suggests.

    These include a higher risk for the heart rhythm disorder atrial fibrillation and varicose veins, but a lower risk of coronary heart disease, high blood pressure and high cholesterol. Other investigators have reported

  • Steven Reinberg HealthDay Reporter
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  • June 3, 2022
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  • Gene Tests Could Spot 1 Million Americans at Risk of High Cholesterol

    A combination of genetic testing and health screenings could identify more than 1 million U.S. adults with an inherited risk for a cholesterol disorder that increases their risk for premature heart attack and death, according to a new study.

    About 1 in 250 Americans may have at least one gene for

  • By Robert Preidt HealthDay Reporter
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  • May 18, 2022
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  • Various Mental Illnesses Share Same Genes: Study

    Many people who get a diagnosis for one mental illness may find they have additional psychiatric conditions, and new genetic research offers an explanation why.

    A number of mental illnesses share genetic similarities, researchers found. This discovery helps explain why multiple conditions are common among people with psychiatric disorders, the investigators pointed out in a new study.

    ...

    Nerve Gas Sarin Probably Caused Gulf War Syndrome

    After 30 years, researchers believe they finally have definitive evidence of the primary cause of Gulf War syndrome: exposure to low levels of the nerve gas sarin.

    Gulf War syndrome is blamed for leaving a quarter million veterans of the 1991 conflict with a disabling array of long-...

    Scientists Get Close to Genetic Cause of Lupus

    There is no cure for lupus yet, but new genetic research may at least point to new treatments for the chronic disease.

    An international team of researchers has identified a gene mutation linked with lupus. An autoimmune disease, lupus causes organ and joint inflammation, fatigue and a number of other problems. I...

    Emotional Eating in Kids: How Much of It Is Mom's Fault?

    If a mother reaches for cakes, chocolates or other snacks when she's feeling down, her children could become emotional eaters as well.

    Kids' chances of becoming emotional eaters are shaped by both their natural eating tendencies and their parent's influence, according to a new British study.

    Emot...

    Your Dog's Breed Has Little Influence on Behavior, Study Finds

    For the past couple of centuries, humans have been breeding dogs to meet specific physical characteristics - to make Golden Retrievers fluffy, to make Rottweilers muscular, or to make Chihuahuas tiny.

    Dog enthusiasts...

    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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  • Blood Type May Predict Which Cancer Patients Are Prone to Clots

    Cancer patients' blood type may play a role in their risk for dangerous blood clots, researchers say.

    Cancer and its treatments increase the risk for venous thromboembolism (VTE). That includes de...

    Why Do Some Smokers Never Get Lung Cancer?

    Strong natural protection against cancer-causing mutations may explain why some longtime smokers don't develop lung cancer, according to a new study.

    Researchers compared mutations in cells lining the lungs from 14 never-smokers, ages 11 to 86, and 19 smokers, ages 44 to 81. The smokers had used tobacco up to 116 pack years. One pack year equals 1 pack of cigarettes smoked every day for a...

    Study Uncovers Large Collection of Genes Behind Schizophrenia

    Researchers who identified 120 genes linked to schizophrenia say their findings are the strongest ever demonstrating the genetic basis of the psychiatric disorder and could lead to new treatments.

    "Previous research has shown associations between schizophrenia and many anonymous DNA sequences, but rarely has it been possible to link the findings to specific genes," said co-lead author Mic...

    Job Done: Scientists Fill in Missing Gaps to Complete Map of Human Genome

    The Human Genome Project produced the most complete map of human genetics ever assembled in 2003 - but that map still held many uncharted territories.

    It did not contain about 8% of the human genome, representing crucial regions and large gaps that have remained hidden from scientists.

    Now, an ambitious team of researchers has gone back and filled those empty spaces, assembling the ...

    Saving the 'Butterfly Children:' Gene Therapy Helps Heal Deadly Blistering Condition

    An experimental cream-based gene therapy may soon become the first U.S. government-approved means for treating a rare and devastating skin disease that produces "butterfly children."

    Patients with recessive dystrophic epidermolysis bullosa (EB) are called butterfly children "because their skin...

    Scientists Discover Cause of Swallowing Disorder in German Shepherds

    German shepherds are one of the most noble dog breeds on the planet, but they can fall prey to an often deadly swallowing disorder.

    Now, researchers report they have not only identified a gene variant that explains this susceptibility, but they have also designed a test to spot the disease --

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  • March 14, 2022
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  • Science Brings Shortcut to Spotting 50 Rare Genetic Diseases

    Scientists have developed a single test that can rapidly detect a collection of rare genetic diseases -- an advance they hope will shorten the "diagnostic odyssey" that people with these conditions can face.

    The test diagnoses conditions known collectively as "STR-expansion" disorders, which include more than 50 genetic diseases that affect the brain, nervous system and muscles.

    Som...

    Amazon Tribes May Have Lowest Rate of Dementia in the World

    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 older ...

    FDA Says Gene-Edited Cattle Are Safe to Eat

    The U.S. Food and Drug Administration on Monday gave the green light to the sale of beef from gene-edited cattle.

    "Today's decision underscores our commitment to using a risk and science-based, data-driven process that focuses on safety to the animals containing intentional genomic alterations and safety to the people who eat the food produced by these animals," Dr. Steven M. Solomon, dir...

    Gene Tests Often Reveal Unknown Relatives

    Who hasn't had the urge to trace their roots by buying consumer genetic testing kits? But in a new report, researchers warn that you may come across some unexpected, and potentially troubling, information if you discover relatives this way.

    "If you're going to participate in one of these services, you should be ready to learn something about your family that you weren't necessarily expect...

    Researchers Map Out Enormous Human Family Tree

    A massive genetic family tree traces the ancestry of all people today.

    The researchers who created it said it shows how individuals worldwide are related to one another and reveals key events in

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  • February 25, 2022
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  • Dog Years: New Research Will Track Canine Aging

    Joshua Akey admits he didn't care much for dogs in his youth.

    "My wife, who grew up with dogs, convinced me that we should get a dog our first year in graduate school. I very begrudgingly agreed, and have been a dog person ever since," said Akey, a professor with Princeton University's Lewis-Sigler Institute for Integrative Genomics.

    Akey's turnaround as a dog lover is impressive be...

    Omicron Hits Younger People, But Less Likely to Bring Long Hospital Stays

    Omicron COVID-19 patients are younger and have more breakthrough infections, a new study finds. But people infected with Omicron are also less likely to be hospitalized or need intensive respiratory support than those who'd gotten the earlier Alpha and Delta variants.

    The researchers examined data on patients at Houston Methodist hospital, where by the start of 2022,

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  • February 7, 2022
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  • CDC Turns to Wastewater Data to Track COVID's Spread

    It's less enchanting than reading tea leaves, but federal health officials announced Friday that they are expanding nationwide efforts to track COVID-19 by monitoring virus levels found in raw sewage.

    The U.S. Centers for Disease Control and Prevention expects to add an additional 250 surveillance sites over the next few weeks to a list of more than 400 places that already regularly test ...

    Humans' Sense of Smell May Be Getting Duller

    Your sense of smell may not be as good as that of your ancestors.

    A new study that tested volunteers' perceptions of various smells -- including underarm odor -- adds to growing evidence that people's sense of smell is declining, little by little.

    "Genome-wide scans identified novel genetic variants assoc...

    Heart Issues Have Affected 4 in 10 U.S. Adults Since Pandemic Began: Survey

    Four in 10 Americans say they've had at least one heart-related issue during the COVID-19 pandemic, and about one in four who have tested positive say COVID has affected their heart health, according to a new online poll.

    Shortness of breath (18%), dizziness (15%), higher blood pressure (15%) and chest pain (13%) were the top problems reported in the survey of 1,000 American adults.

    <...

    Did Your Gene Screen Turn Up Dangerous DNA? Study Finds Real Risk Is Low

    Most gene variants that have been labeled "pathogenic" may make only a small difference in a person's risk of actually developing disease, a new study suggests.

    Scouring genetic data on more than 72,000 individuals,

    Scientists Discover How the 'Mono' Virus Might Trigger MS

    A one-two punch from science has clearly tagged the mononucleosis virus, Epstein-Barr, as a major cause of multiple sclerosis.

    The Epstein-Barr virus (EBV) appears to trigger multiple sclerosis (MS) by tricking the immune systems of some into attacking their body's own nerve cells, a new study indicates.

    "...

    You Don't Have to Smoke to Get Lung Cancer

    Tobacco use is far and away the leading cause of lung cancer, but non-smokers are also at risk, experts say.

    People who smoke have the highest risk, and smokeless tobacco is also a threat. About 90% of lung cancer cases could be prevented by eliminating tobacco use, according to the World Health Organization...

    Scientists ID Genes That Make Your Fingerprints

    Your fingerprints may be more than a surefire way to identify you: New research suggests their patterns may be linked to genes that guide limb development.

    "People may wonder why our team is working on fingerprints," said co-senior study author Sijia Wang, a geneticist at the Shanghai Institute of Nutrition and Health in China. "We started the work purely out of curiosity. But later it tu...

    Could the 'Alzheimer's Gene' Raise Risks for Severe COVID-19?

    A certain gene mutation known as APOE4 has long been known to raise the risk for Alzheimer's disease.

    Now, researchers report it may also predispose people to increased susceptibility to COVID-19 infection and severe symptoms, including small brain bleeds.

    Researchers in Finland, where about ...

    Love Black Coffee & Dark Chocolate? It Could Be in Your DNA

    If you like your coffee black, it could be that your grandpa or your great-aunt did, too.

    A preference for black coffee and also for dark chocolate seems to lie in a person's genes, scientists report.

    It's not the taste that these individuals actually love, but it's because their genes enable them to metabolize

  • Cara Murez
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  • December 30, 2021
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  • New Clues to How Ovarian Cancer Begins -- and Might Be Prevented

    Researchers say they may be closer than ever to detecting ovarian cancer earlier and improving the odds for women with this life-threatening disease.

    In a new study, scientists used stem cells created from the blood samples of women with BRCA mutations and ovarian cancer to fashion a model of fallopian tube tissue.

    There, they found first hints of ovarian cancer in the fallopian tu...

    New Clues to Sudden Unexplained Deaths in Young Kids

    Every year in the United States, a few hundred children die suddenly and without explanation. Now researchers have found gene variants that may contribute to some of those tragic deaths.

    The hope, experts said, is that understanding the underlying mechanisms will eventually lead to ways to save lives.

    Since the 1990s, the term

  • Amy Norton HealthDay Reporter
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  • December 28, 2021
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  • Genes 'Switched On' Much Earlier in Human Embryos Than Thought

    Genes in human embryos become active far sooner than once thought, according to a study that provides fresh insight into development.

    Contrary to the old view that gene activity begins two to three days after conception when the embryo is made up of four to eight cells, researchers found that it actually begi...

    Highly Inbred, French Bulldogs Face Higher Odds for 20 Health Issues

    French Bulldogs are incredibly cute, sporting adorable snub snouts, big round heads, bright wide eyes and large bat ears.

    Unfortunately, the physical traits that make them one of the most popular breeds in the United States and United Kingdom also saddle them with a host of health problems, a new study shows.

    Frenchies have significantly higher odds than other dog breeds of being di...

    Over 60? You Have Billions of Potentially Cancer-Causing Cells

    Have you just turned 60 and feel like you're in great health?

    Well, new research suggests that unseen dangers lurk: Scientists found that cancer-free people older than 60 have at least 100 billion cells with at least one cancer-associated mutation.

    But there's good news, too: The vast majority of these mutations won't do anything and most people (60%) will go their entire lives wit...

    Drug Can Keep Leukemia in Remission for Years in Younger Patients

    For certain leukemia patients, some welcome findings: New research confirms long remissions after treatment with the drug ibrutinib and chemotherapy.

    The study involved 85 patients with chronic lymphocytic leukemia (CLL). All were 65 or younger, and 46 had more aggressive, unmutated IGHV subtype of the d...

    More Time Outdoors May Lower Risk of MS in Youth

    Children at risk for multiple sclerosis (MS) might find some protection from the disease by spending more time in the sun, a small study suggests.

    Although MS is rare in children and young adults, those with relatives who have the condition have increased odds of developing the disease early. Exposure to sunlight may cut their risk in half, researchers say.

    "In families where there'...

    Most Dog Breeds Are Highly Inbred -- and Unhealthy

    Traits particular to certain dog breeds -- the distinctive spots of a dalmatian or the stubby legs of a dachshund -- are often achieved through inbreeding.

    But most breeds are now highly inbred, increasing a dog's risk of health problems, a new study confirms.

    "It's amazing how inbreeding seems to matter to health," study leader Danika Bannasch said.

    Her genetic analysis of 2...

    What's Behind Unexplained Epilepsy in Kids? A Gene Test May Tell

    Genetic testing can help guide management and treatment of unexplained epilepsy in children, new research suggests.

    "A genetic diagnosis impacted medical management for nearly three out of four children in our study," said study author Dr. Isabel Haviland. She's a postdoctoral research fellow in neurology/neurobiology at Boston Children's Hospital and Harvard Medical School.

    In the ...

    Gene Found in Amish Helps Protect Their Hearts

    A rare gene variant discovered among Amish people may help lower "bad" cholesterol and protect against heart disease, a new study suggests.

    Researchers found that among nearly 7,000 Amish people, the gene variant was tied to reductions in both LDL cholesterol and fibrinogen -- a protein that is a marker of inflammation and linked to heart disease risk.

    There was also evidence of pro...