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Results for search "Genetics".

Health News Results - 173

TUESDAY, Nov. 18, 2019 (HealthDay News) -- 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 kne...

MONDAY, Nov. 18, 2019 (HealthDay News) -- 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, accor...

WEDNESDAY, Nov. 6, 2019 (HealthDay News) -- 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...

MONDAY, Nov. 4, 2019 (HealthDay News) -- 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...

FRIDAY, Nov. 1, 2019 (HealthDay News) -- 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...

FRIDAY, Nov. 1, 2019 (HealthDay News) -- 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....

TUESDAY, Oct. 22, 2019 (HealthDay News) -- 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 treat...

MONDAY, Sept. 30, 2019 (HealthDay News) -- 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 l...

MONDAY, Sept. 23, 2019 (HealthDay News) -- 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 Denisovan...

WEDNESDAY, Sept. 18, 2019 (HealthDay News) -- 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 fro...

THURSDAY, Sept. 12, 2019 (HealthDay News) -- 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 i...

FRIDAY, Sept. 6, 2019 (HealthDay News) -- 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%).

...

THURSDAY, Sept. 5, 2019 (HealthDay News) -- 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 38,0...

THURSDAY, Sept. 5, 2019 (HealthDay News) -- 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 pressur...

MONDAY, Sept. 2, 2019 (HealthDay News) -- 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 inc...

THURSDAY, Aug. 29, 2019 (HealthDay News) -- 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...

MONDAY, Aug. 26, 2019 (HealthDay News) -- 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...

MONDAY, Aug. 26, 2019 (HealthDay News) -- 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 habi...

TUESDAY, Aug. 20, 2019 (HealthDay News) -- Mutations in two genes -- BRCA1 and BRCA2 -- are known to significantly increase the risk of breast cancer, but experts have long debated which women should be tested for them.

New recommendations from the U.S. Preventive Services Task Force (USPSTF) may help clarify who can benefit most from a risk assessment test. Now, if a woman has a hig...

MONDAY, Aug. 19, 2019 (HealthDay News) -- A middle-aged woman had persistent symptoms that doctors couldn't explain. Frustrated, she took an increasingly common route: a search through the internet.

"Dr. Google" led the woman to specialists at Wake Forest University Medical Center in Winston-Salem, N.C. There, she was diagnosed with a rare genetic condition...

WEDNESDAY, Aug. 14, 2019 (HealthDay News) -- The number of genes in bacteria that live in and on people could top 1 billion trillion -- and at least half appear to be unique to their host.

That mindboggling math comes from scientists at Harvard Medical School and Joslin Diabetes Center in Boston who have set out to map all genes of the human microbiome.

The research could re...

TUESDAY, Aug. 13, 2019 (HealthDay News) -- In a finding that underscores the major role genetics plays in autism risk, researchers report they have identified 16 new genes linked to the developmental disorder.

The investigators conducted genetic analyses of 2,300 people from nearly 500 families with at least two children with autism. Of the children in the study, 960 had autism and 21...

THURSDAY, Aug. 8, 2019 (HealthDay News) -- If a close relative has had blood cancer, you're more likely to get it, a large new study reports.

The researchers analyzed data from 16 million people in Sweden, including more than 153,000 diagnosed with blood cancer and more than 391,000 of their first-degree relatives: parents, siblings or children.

Patients with a family link ...

FRIDAY, Aug. 2, 2019 (HealthDay News) -- The sad sight of a receding hairline is not limited to men, a dermatologist says.

Hair loss is just as common in women, and it can occur due to factors such as genetics, and the hairstyles and hair products used by women.

It's important to identify the cause of hair loss in women to treat it, said dermatologist Dr. Paradi Mirmirani.<...

MONDAY, July 29, 2019 (HealthDay News) -- As far as scientists know, humans are the only species that get heart attacks linked to clogged arteries.

Now, new research suggests that just one DNA change occurring 2 to 3 million years ago may be to blame.

The finding might give insight into how to prevent and treat the attacks, according to researchers at the University of Calif...

WEDNESDAY, July 17, 2019 (HealthDay News) -- The largest study of its kind, involving more than 2 million people across five countries, finds that autism spectrum disorders are 80% reliant on inherited genes.

That means that environmental causes are responsible for just 20% of the risk.

The findings could open new doors to research into the genetic causes of autism, ...

TUESDAY, July 16, 2019 (HealthDay News) -- It's not easy maintaining a healthy weight. Even when you manage to drop a few pounds, they often return.

Why would the body seem to encourage obesity?

New research suggests the answer lies far back in human evolution, with an anti-starvation mechanism that primes the body to store fat.

The key to this mechanism is a prot...

TUESDAY, July 16, 2019 (HealthDay News) -- You might think that stress affects you only emotionally or that a lack of sleep simply leaves you feeling cranky. But these are among the many lifestyle factors that can lead to health problems because of changes that they cause within your body's cells.

Packed inside every cell is your DNA and its strands of chromosomes. Chromosomes are pro...

THURSDAY, June 27, 2019 (HealthDay News) -- Every college student misplaces keys or forgets an appointment from time to time. Usually it's no big deal. But a new study warns that when young people with a family history of Alzheimer's disease have memory lapses, it could be an early sign of something serious.

That's the concern raised by a new memory test taken by nearly 60,000 men and...

TUESDAY, June 25, 2019 (American Heart Association News) -- Medication can play a huge role in reducing high blood pressure, a leading cause of stroke, heart attack and other serious health problems. Yet given the wide selection of drugs for doctors to choose from, figuring out which drug works best for someone is difficult.

But researchers may have found a better way to predict the ...

THURSDAY, June 20, 2019 (HealthDay News) -- Children with birth defects may be at increased risk for childhood cancer, a new study finds.

Researchers analyzed data from more than 10 million children born in Texas, Arkansas, Michigan and North Carolina between 1992 and 2013.

Compared to children without a birth defect, those with genetic defects were almost 12 times more like...

TUESDAY, June 18, 2019 (HealthDay News) -- In most patients with metastatic colon cancer, the disease may have begun spreading throughout the body very early on -- when the original tumor was no bigger than a poppy seed, a new study suggests.

Metastatic refers to the most advanced stage of cancer, when the original tumor has spread to distant sites in the body.

Traditionally...

TUESDAY, June 18, 2019 (HealthDay News) -- For women, predicting when they'll reach menopause is anyone's guess. But if you want to get some foresight, you should ask your mother.

For most women, menopause begins at around 52. But for thousands of women it starts much later, and for some, a lot earlier. Those whose menopause starts later may also be looking at a longer life expectancy...

TUESDAY, June 11, 2019 (HealthDay News) -- Can a DNA test predict a person's future heart health? Perhaps, researchers say.

A team of Canadian researchers found that by analyzing a person's entire genome, it might be possible to predict their future heart disease risk.

The so-called "polygenic risk score" analysis looks for key heart disease indicators -- genetic "biomark...

MONDAY, June 3, 2019 (HealthDay News) -- Last year, a scientist from China created a storm of controversy when he claimed he'd used gene-editing technology to create "designer" twin babies. Now, a new study is highlighting one of the dangers of that endeavor.

Researchers have found that the gene mutation the scientist used -- affecting a gene called CCR5 -- is associated with a shorte...

MONDAY, June 3, 2019 (HealthDay News) -- Ever wonder why a drug that works for someone else doesn't seem to work for you? You might want to check your gut for the answer.

Gut bacteria that process more than 150 medicines have been pinpointed by researchers, who also identified genes that give the bacteria this ability.

The findings underline the role gut bacteria play in how...

WEDNESDAY, May 29, 2019 (HealthDay News) -- A gene-based blood test can accurately detect breast, colorectal, lung, ovarian, pancreatic, gastric or bile duct cancers in patients, researchers report.

The test uses artificial intelligence to identify and interpret "fragments" of DNA in the blood that indicate the presence of cancer, explained researchers led by Dr. Victor Velculescu. He...

TUESDAY, May 28, 2019 (HealthDay News) -- Some folks are more prone to fainting than others, and the reason might lie in their DNA.

Danish researchers who analyzed millions of gene variants in DNA of 400,000 people have zeroed in on a gene that increases a person's risk for fainting.

It's believed that 20% to 30% of people faint at least once in their lifetime, often...

THURSDAY, May 23, 2019 (HealthDay News) -- It has long been known that lifestyle affects a person's risk of developing type 2 diabetes. Now, researchers report that they have identified rare variants of four genes that may also play a part.

For the study, an international team of scientists analyzed protein-coding genes from nearly 21,000 people with type 2 diabetes and 25,000 people...

TUESDAY, May 21, 2019 (HealthDay News) -- Could a love for canines be contained in your genes?

New research from Europe suggests that's so after comparing the genetic makeup of more than 35,000 twin pairs with dog ownership. The researchers concluded that genetic variations explained more than half of the likelihood of having a dog.

"We were surprised to see that a person's ...

FRIDAY, May 3, 2019 (HealthDay News) -- Cases in which a newborn's genitals make it unclear whether the child is a boy or girl may be more common than once believed, researchers say.

One example of what's known as ambiguous genitalia is a baby girl with an enlarged clitoris that looks more like a small penis, the study authors explained.

In some cases, infants have external ...

THURSDAY, May 2, 2019 (HealthDay News) -- An easy-to-use, noninvasive device can detect early signs of the cancer complication known as lymphedema, a new study reports.

Lymphedema is the buildup of fluid in the body's tissues when a part of the lymph system is damaged, as can happen in cancer care, according to the U.S. National Cancer Institute (NCI).

The fluid causes swelli...

WEDNESDAY, May 1, 2019 (HealthDay News) -- Polycystic ovary syndrome is a common cause of infertility and type 2 diabetes, but little is known about its origins. Now, new research suggests a gene involved in male hormone production plays a big role in the disorder's development.

"We're starting to make headway on what causes PCOS [polycystic ovary syndrome]. It's very frustrating for...

THURSDAY, April 18, 2019 (HealthDay News) -- As obesity becomes epidemic among Americans, many could over- or underestimate their odds for piling on the pounds. But a new genetic "score" might take the guesswork out of all of that, researchers say.

Using information on more than 2 million gene variants linked to body weight, the scientists created a so-called polygenic score that ma...

THURSDAY, April 11, 2019 (HealthDay News) -- Poverty may influence how genes function, researchers report.

Specifically, they found that poverty is associated with levels of DNA methylation -- which can shape gene expression -- in nearly 10% of genes.

The findings are significant for a number of reasons, the researchers said.

"First, we have known for a long ti...

THURSDAY, April 4, 2019 (HealthDay News) -- Beauty is in the eyes of the beholder, but it might also be tucked away in a handful of genes.

Using genetic information on nearly 4,400 white adults, researchers found that certain genetic mutations were tied to people's beauty ratings from their peers.

Genes were linked to both women's and men's ratings -- but there were differen...

FRIDAY, March 29, 2019 (American Heart Association News) -- Kristen Criss' father died of complications from a stroke, her mother died from a heart condition at age 40 and her sister passed away at 33.

Still, it would be many years -- and health struggles of her own -- before she realized the full meaning of having a family history of heart disease.

Criss discovered in 201...

THURSDAY, March 28, 2019 (HealthDay News) -- Jo Cameron, 71, has lived a life without pain.

The Scottish woman has experienced childbirth, broken limbs, cuts, burns and surgeries with little or no discomfort. She's leaned on her own hot stove and not realized there's a problem until she smelled something burning.

"I'm vegan, so the smell is pretty obvious," the former school...

THURSDAY, March 14, 2019 (HealthDay News) -- People whose high cholesterol is resistant to treatment with statin drugs may soon have a new treatment option.

This new class of drugs helps block synthesis of artery-clogging cholesterol, researchers explained. The drugs target an enzyme called ATP citrate lyase (ACL), part of the production pathway for "bad" LDL cholesterol in the body.

THURSDAY, March 14, 2019 (HealthDay News) -- It's one of the toughest cancers to beat. But new research suggests that identifying the genetics of pancreatic cancer in individual patients could boost survival for some.

The five-year survival rate for pancreatic cancer patients is less than 9 percent. One reason this cancer is so deadly is that many patients are diagnosed at a late sta...