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Results for search "Genetics".

Health News Results - 161

A child with an uncle or aunt with autism appears to have a more than doubled risk of being diagnosed with an autism spectrum disorder themselves, a new U.S. government-funded study reports.

Roughly 3% to 5% of children with an aunt or uncle with autism can also be expected to have some form of autism, compared with just 1.5% of children overall, according to the study fun...

It was already known that genetics can play a role in drinking problems, but now researchers have identified additional gene variants that could help identify many more at-risk people.

The team conducted a genome-wide analysis of more than 435,000 people of European ancestry to look for shared gene variants among people with problem drinking.

The researchers pinpointed 19 ne...

People who have a flawed gene linked to Alzheimer's disease may face a higher risk of COVID-19, an international team of researchers reports.

Part of the increased risk among people with dementia may owe to high rates of new coronavirus infections in nursing homes. But this study suggests genetics may also be a factor.

The APOE e4e4 gene variant is known to increase Alzheime...

Black and white women share genes that increase the risk for breast cancer, a new study finds.

These genes include BRCA1, BRCA2 and PALB2, each of which is associated with a more than sevenfold risk of breast cancer. Women of both races also share four other genes linked with a moderately increased risk, according to researchers.

"This means that the multi-gene panels that...

They're small spiny mammals that look like anteaters with scales.

And pangolins -- which some credit with playing a role in the emergence of the new coronavirus -- might hold clues to fighting COVID-19.

Genetic research into the new coronavirus has suggested that it originated in bats, found its way into pangolins sold at Chinese "wet markets," and then migrated into humans....

A new study suggesting that the new coronavirus has mutated to become even more infectious should be viewed with skepticism, multiple experts said Wednesday.

Earlier this week, researchers at Los Alamos National Laboratory concluded that the new strain of the coronavirus started spreading in Europe in early February and then expanded to other parts of the world, becoming the dominant ...

A new, mutated strain of the coronavirus that causes COVID-19 has become dominant and appears to be more contagious than the strain that spread during the early stages of the pandemic, scientists report.

They said the new strain appeared in February in Europe, spread to the East Coast of the United States and has been the dominant strain worldwide since mid-March, the Los Angeles ...

Lots of boozing might increase your risk for a stroke, Swedish researchers report.

Heavy alcohol use can triple your risk for peripheral artery disease, a narrowing of arteries that results in reduced blood flow, usually to the legs. It can also increase your risk for stroke by 27%. There's also evidence of a link to coronary artery disease, atrial fibrillation and aortic aneurys...

Herpes simplex virus -- the virus that causes cold sores -- is more complex than scientists had thought, a new study finds.

It had been believed that there were about 80 so-called open reading frames in the herpes gene, but there now appear to be 284, researchers report. Those are places where the DNA becomes proteins.

"The new findings now make it possible to study the in...

A new oral polio vaccine promises to help make polio a disease of the past, according to the results of a phase 1 clinical trial.

Polio was almost eliminated worldwide -- except in vaccine-induced cases. In those cases, the weakened virus used in vaccines developed the ability to escape from immunized individuals and spread in places with low vaccination rates.

The new des...

Researchers say they've developed a low-cost swab test that can diagnose COVID-19 infections in about 45 minutes.

The CRISPR-based test -- which uses gene-targeting technology and requires no specialized equipment -- could help relieve testing backlogs in the United States as COVID-19 continues to spread, the scientists said.

The U.S. Food and Drug Administration has not app...

Whether you have a low or a high genetic risk for type 2 diabetes, obesity seems to be the driving factor in developing the disease, Danish researchers say.

Their new study found that obesity increased the risk of type 2 diabetes by at least six times, no matter what a person's genetic risk was.

"Obesity and unfavorable lifestyle are associated with increased risk of type ...

People who carry a gene called APOE4 face an increased risk of Alzheimer's. But that effect may be lessened if they got luckier with a different gene, researchers have found.

Scientists have long known that the APOE gene is the strongest genetic influence over whether people develop Alzheimer's late in life. Those who carry a form of the gene called E4 have a higher-than-average risk....

Genetic mutations that put some younger people at high risk for severe illness from the new coronavirus will be investigated in an international study.

Plans call for enrolling 500 patients worldwide who are under age 50, have been diagnosed with COVID-19 and admitted to an intensive care unit, and have no underlying health problems such as diabetes, heart disease or lung disease.

...

Despite internet rumors to the contrary, the new coronavirus arose from natural causes and was not concocted in a lab, according to scientists who conducted a detailed genomic examination of the virus.

SARS-CoV-2, the virus that causes COVID-19 illness, shows zero evidence of being artificially engineered, reported a team who published their findings March 17 in Nature Medicine...

A test that can detect the genetic "fingerprint" of prostate cancer in blood could improve diagnosis, monitoring and treatment of the disease, researchers say.

The test checks for prostate cancer DNA in blood in order to provide the earliest evidence that prostate cancer is active.

This could help doctors monitor tumor behavior, determine if cancer has spread ("metastasized"...

The exact method that's now cured two men of HIV infection is not one that's going to be widely available to the nearly 38 million people worldwide living with the virus, experts say.

Still, the news has rekindled hopes of finally winning the war against the virus that causes AIDS.

The Berlin and London patients benefited from a combination of medical and genetic chance, the...

A significant number of older women with breast cancer may have genetic mutations that put them at risk of additional cancers, particularly ovarian cancer, a new study finds.

The researchers said that as many as one in 40 postmenopausal women with breast cancer before age 65 has a mutation in the BRCA1 or BRCA2 genes.

Currently, the guidelines emphasize genetic testing in ...

Experts have long known about a quirky postscript to stressful events like earthquakes and terrorist attacks: The ratio of boys and girls born temporarily turns upside down.

Now, Canadian researchers are reporting the same change in Ontario's birthrates following Republican Donald Trump's victory in the 2016 U.S. presidential election.

The percentage of boys born in Canada's...

People who vape have potentially cancer-causing changes in their DNA similar to those found in cigarette smokers, according to a new study.

These chemical alterations -- called epigenetic changes -- can cause genes to malfunction. They are found in nearly all types of cancer, as well as other serious diseases, the researchers noted.

"That doesn't mean that these people are g...

A genetic variant associated with Alzheimer's disease increases the risk of dementia in people with Parkinson's disease, researchers say.

The finding could lead to new treatments for dementia in Parkinson's patients, according to the team at Washington University School of Medicine in St. Louis.

Parkinson's disease is a progressive neurological disorder that causes tremors, ...

In a first, scientists have used gene-editing technology to create "designer" immune system cells that can fight tumors and survive for months in cancer patients' bodies.

It's a proof of principle, the researchers say -- and an early step toward bringing the gene-editing tool known as CRISPR into cancer treatment.

CRISPR allows researchers to precisely "snip" bits of DNA wit...

A rare, inherited muscle disorder that occurs in about 1 in 8,000 people, myotonic dystrophy also can affect the heart and other organs. A new set of expert recommendations offers guidance for managing the progressive condition.

"Your average cardiologist doesn't see this all the time, so it can often get overlooked," said lead author, Dr. Elizabeth McNally. "We want to make sure peo...

A breakthrough study has identified a class of natural gene variants that may protect against Alzheimer's disease.

For the study, researchers at University College London analyzed DNA from more than 10,000 people -- half with Alzheimer's and half without. The investigators found that these gene variants reduce the functioning of proteins called tyrosine phosphatases.

These p...

Cancer is a genetically driven disease, and a mother lode of new genetic data on dozens of different cancers is promising to break open fresh avenues of prevention and treatment.

Nineteen out of 20 cancers now can be tracked back to one or more specific genetic mutations, based on data gathered from in-depth sequencing of thousands of whole-cancer genomes, researchers say.

"...

As China races to stem the spread of a new coronavirus that has now infected nearly 10,000 people and killed more than 200, researchers report that a novel approach to gene sequencing could help monitor coronaviruses more effectively.

Coronaviruses in bats have been linked to the outbreak from the virus labeled 2019-nCoV, as well as outbreaks of diseases like SARS and MERS.

...

A gene mutation implicated in the risk for Alzheimer's disease might also impair memory in soccer players who head the ball a lot, a new study suggests.

The finding could have implications for young athletes in contact sports where the head can take hits during play.

Among soccer players who headed the ball the most, those with the gene mutation called the apolipoprotein E ...

More than 100 genes appear to be involved in autism spectrum disorders (ASD), according to the largest genetic study of the condition to date.

The study, involving over 50 centers around the globe, identified 102 genes associated with ASD -- including a few dozen that had not been recognized before.

Some of the genes are also associated with intellectual disabilities and dev...

A new study suggests that genetics is not destiny when it comes to your odds of becoming obese.

For years, research into "obesity genes" has led many Americans to believe that their DNA makes becoming overweight and obese inevitable.

But the new study shows that daily lifestyle -- not genes -- probably plays the much bigger role.

The study tracked data on more tha...

It may be possible to predict a child's chances of academic success at birth, a new study suggests.

Researchers found that kids' genes and their parents' education and wealth were big predictors of school success.

They analyzed data from 5,000 children born in the U.K. between 1994 and 1996, including test results at key stages of their education and their parents' wealth and ...

Nikki Moreno had spent nearly a year struggling for breath, and nothing seemed to help.

Not the inhalers, not the antibiotics and other drugs. Nothing seemed to help her breathe, and nothing got rid of her constant cough.

It finally got so bad that she landed in the emergency room at UCLA Medical Center in Santa Monica.

Moreno was not prepared for the series of sho...

"Designer babies" aren't going to be a reality anytime soon, researchers say.

Concerns about genetically altering embryos to have desired traits have been around nearly as long as in vitro fertilization (IVF) and the technology to screen embryos have existed.

But while recent live births resulting from embryonic CRISPR gene editing have re-focused attention on the issue, the...

Parents usually know their child better than anyone, and if a parent suspects something is wrong, it probably is.

That was the case for Dan and Laura Wallenberg from Columbus, Ohio. EV Wallenberg was just 5 months old when they noticed that their daughter wasn't eating normally. They scheduled a visit with her pediatrician.

"I knew something wasn't right. But the doctor ju...

Sudden cardiac death is terrifying because it's exactly that -- one minute you're fine and the next you're facing death, with no warning and no prior symptoms.

Now, new research shows the secret to who's at risk for cardiac arrest and who isn't could lie in people's genes. And a gene test might someday help predict who's most endangered, according to a study presented this weekend at ...

Getting more exercise could help ward off depression, even if you have a genetic risk for it, new research shows.

For the study, researchers analyzed data from nearly 8,000 people and found that those with a genetic predisposition were more likely to be diagnosed with depression over the next two years.

But that was less likely for people who were more active at the study's ...

Could one woman's rare genetic mutation one day have a global impact on dementia risk?

It's possible, say investigators who report on a potentially groundbreaking case of a woman whose genetic mutation staved off dementia for decades, even though her brain had already been damaged by Alzheimer's disease.

While most Alzheimer's cases are not driven by genetic predispo...

Fighting cancer can be a long, hard battle, not to mention expensive. Now, new research shows that a quarter of oncologists don't discuss the cost of expensive tests with their patients.

Genomic tests on cancer cells can help determine which types of treatment might work, and which ones might not. However, such testing can be expensive, and not all tests and related treatments are cov...

A three-drug combo that significantly improves lung function in cystic fibrosis patients could benefit 90% of people with the life-threatening disease, a new study suggests.

It included patients with a single copy of the most common genetic mutation for the disease.

Results of the international phase 3 clinical trial led the U.S. Food and Drug Administration to approve ...

A new drug to treat most cystic fibrosis patients has been approved by the U.S. Food and Drug Administration.

Trikafta (elexacaftor/ivacaftor/tezacaftor) is the first triple combination therapy available to treat patients with the most common cystic fibrosis mutation. Its list price is $311,000 a year, same as one of the maker's earlier treatments for the genetic disease.

Tr...

A drug that targets faulty gene repair may buy more time for some men with advanced prostate cancer, a new clinical trial finds.

Experts called the study "landmark," because it zeroed in on men with particular gene mutations that can be targeted with newer drug therapies. It's an approach that is already used in treating breast, ovarian and lung cancers.

Specifically, the tr...

You may have the extinct humans called Denisovans to thank for your adaptable immune system, Australian researchers suggest.

Denisovans were related to Neanderthals and interbred with modern humans about 50,000 years ago as modern humans left Africa for Papua New Guinea and Australia.

Modern humans got a gene variant from Denisovans that boosted immune reactions and inflamm...

New experiments in monkeys suggest that one slight alteration to the DNA of the Ebola virus might render it harmless to humans.

Changing just a single protein appears to activate the body's immune system to fight off the deadly infection, researchers report.

The mutated virus also acts like a vaccine that protects the animals from becoming infected, they added.

For...

Could your genes be keeping you from losing weight?

While you shouldn't use a family tendency toward wide hips or an apple shape as an excuse to stray from a healthy diet, acceptance can help you reassess your personal ideal and make you happier with your body.

Hundreds of genes have been linked to weight. Some affect where fat is distributed on your body while others impac...

Growing up in a poor neighborhood significantly increases kids' odds of becoming obese adults, and the risk is highest among teens, a new study says.

It found that children from poor neighborhoods had 31% higher odds for adult obesity, and the risk was much higher (29%) among 11- to 18-year-olds than for younger children (13%).

"Growing up in a disadvantaged neig...

For the first time, scientists have found four spots on your DNA that might determine whether you wield your pen with your left hand.

Of the four gene regions, three are associated with proteins involved in brain development and structure, according to a genetic analysis of about 400,000 people in the United Kingdom, including more than 38,000 left-handers.

The study also fo...

Small, lasting changes in cholesterol and blood pressure levels can dramatically reduce the risk of heart disease and strokes over a lifetime, new research suggests.

The large study found that a combination of a drop in LDL cholesterol (the bad type) of 14 mg/dL and a 5 mm Hg drop in systolic blood pressure (the top number in a blood pressure reading) cut the lifetime risk of heart di...

An unhealthy lifestyle is a bigger contributor to heart disease than genetics for many younger adults, according to a new study.

The findings show that good health habits should be a key part of prevention efforts, even in people with a family history of early heart disease, researchers said.

The study included 1,075 people under age 50. Of those,...

There's no such thing as a single "gay gene" that drives a person's sexual behavior, concludes the largest genetic study ever conducted on the issue.

Instead, a person's attraction to those of the same sex is shaped by a complex mix of genetic and environmental influences, similar to what's seen in most other human traits, researchers report.

"This is a natural and normal pa...

An upbeat view of life may increase your odds for living to a ripe old age, new research suggests.

The finding stems from a look at optimism and longevity among nearly 70,000 women and 1,400 men. It builds on earlier research linking higher levels of optimism to lower risks of chronic illness and premature death.

"This study took us further by suggesting that optimistic peo...

Seniors, here's a recipe for preventing dementia: eat well, exercise and don't smoke.

The only catch, according to a new study? If you carry genes that leave you vulnerable to the memory-robbing disease, lifestyle might not be enough.

In the study, researchers found that of over 6,300 adults aged 55 and older, those with healthy habits had a lower risk of being diagnosed wit...