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Health News Results - 42

23 Aug
Unrelated Folks Who Look Alike Share Similar DNA

Unrelated Folks Who Look Alike Share Similar DNA

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 ...

19 Aug
Major Gene Study Spots DNA Tied to Autism, Other Disorders

Major Gene Study Spots DNA Tied to Autism, Other Disorders

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 ...

28 Jul
Ancient DNA Points to Oral Herpes' Beginnings

Ancient DNA Points to Oral Herpes' Beginnings

While the herpes virus that causes lip sores is common today, it has been difficult for scientists to find traces of it among ancient remains.

Now, researchers report they h...

18 Jul
Could an Experimental Cancer Drug Help Treat Spinal Injury?

Could an Experimental Cancer Drug Help Treat Spinal Injury?

A drug in development as a cancer therapy may also help the body regenerate damaged nerves after spinal injuries, new research suggests.

Scientists at the University of Birmingham in the United Kingdom report that they used cell and animal models to show that the drug, d...

07 Jun
Gene Test Lets Some Colon Cancer Patients Safely Skip Chemo

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, researcher...

12 May
Nerve Gas Sarin Probably Caused Gulf War Syndrome

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.

Gul...

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

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 characteris...

25 Apr
Genetic Sign of Aging Linked to Risk of Fatal COVID

Genetic Sign of Aging Linked to Risk of Fatal COVID

It's known that certain chronic health conditions up the odds of death from COVID-19. Now, new research identifies another risk factor.

Shorter telomeres are associated with an increased likelihood of death from COVID-19, particularly in older women, researchers say.

...

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

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 t...

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

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 f...

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

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,

12 Jan
Scientists ID Genes That Make Your Fingerprints

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 a...

07 Jan
Zoo Study Finds Animal DNA Floating in Air

Zoo Study Finds Animal DNA Floating in Air

Take a whiff of the air in a zoo and you could breathe in the animals' DNA -- not just the smell of the food they eat or their waste, a new study suggests.

Sampling the air from local zoos, two teams of researchers collected enough DNA to identify the animals nearby. The...

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

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...

12 Aug
Blood Test Spots Biological Markers for Schizophrenia

Blood Test Spots Biological Markers for Schizophrenia

Schizophrenia is a debilitating disease that can make navigating daily life a massive challenge, but a new blood test could flag it in its early stages, researchers say.

Their analysis of blood samples identified epigenetic markers -- part of your DNA -- that differ betw...

29 Jul
Cats Might Be Purrfect Model for Human Genetics Research

Cats Might Be Purrfect Model for Human Genetics Research

Dogs may be man's best friend, but cats may hold critical keys to humans' health.

Our feline friends have the potential to become a valuable model for genetic research, because their genome is similar to that of people, according to Leslie Lyons of the Feline Genetics La...

09 Jul
Global Consortium Finds Genes That Drive Severe COVID-19

Global Consortium Finds Genes That Drive Severe COVID-19

Why do some people infected with SARS-CoV-2 have either no or negligible symptoms, while others sicken and die?

Scientists who've pinpointed several genetic markers associated with severe COVID-19 say their findings could provide answers to that important question -- and...

23 Apr
No Genetic Damage to Kids of Those Exposed to Chernobyl Nuclear Disaster: Study

No Genetic Damage to Kids of Those Exposed to Chernobyl Nuclear Disaster: Study

There's no evidence of genetic damage in the children of parents who were exposed to radiation from the 1986 Chernobyl Nuclear Power Plant disaster in Ukraine, researchers say.

Several previous studies have examined the risks across generations of radiation exposure from...

23 Feb
You've Got Tens of Thousands of Virus Species Living in Your Gut

You've Got Tens of Thousands of Virus Species Living in Your Gut

Researchers have identified more than 140,000 viruses that live in the human gut, including half that were previously unknown.

The number and variety of viruses found in more than 28,000 gut microbiome samples gathered from different parts of the world are surprisingly h...

11 Feb
Genes Could Raise COVID Risks for People With Down Syndrome

Genes Could Raise COVID Risks for People With Down Syndrome

Certain genetic factors in people with Down syndrome may increase their COVID-19 risks.

Previous studies have found that people with Down syndrome are 10 times more likely to die from COVID-19, and experts have said they should be among those given priority for vaccinati...

09 Feb
Neanderthal Poop Provides Clues to  Modern Humans' 'Microbiome'

Neanderthal Poop Provides Clues to  Modern Humans' 'Microbiome'

What can poop from ancient Neanderthals tell us?

It turns out that it harbors valuable information about modern-day gut health.

An international research group led by the University of Bologna in Italy analyzed ancient DNA samples extracted from 50,000-year-old sed...

08 Feb
The Germs on Your Toothbrush Can Reveal Your Health

The Germs on Your Toothbrush Can Reveal Your Health

The microbes on your toothbrush mostly come from your mouth -- not your toilet -- and provide insight into your oral health, researchers say.

Their study was inspired by people's concerns that flushing a toilet might create a cloud of aerosol particles that end up on too...

14 Jan
Sperm Samples May Help Predict Autism Risk in Offspring

Sperm Samples May Help Predict Autism Risk in Offspring

Biomarkers in sperm may help identify men at risk of fathering children with autism, researchers say.

For the study, investigators examined sperm epigenetics -- the molecular processes that affect gene expression -- in 13 men who fathered sons with autism and 13 who had ...

21 Dec
Do Genes Doom Some Kids to Obesity? Probably Not, Study Finds

Do Genes Doom Some Kids to Obesity? Probably Not, Study Finds

While childhood obesity is a significant challenge, German researchers have uncovered some hopeful news while investigating the impact of genes.

Though some "obesity genes" do play a minor role in the success of weight loss interventions, environmental, social and behavi...

11 Dec
Gene Therapy Shows No Long-Term Harm in Animals: Study

Gene Therapy Shows No Long-Term Harm in Animals: Study

Results from a long-term study of a gene therapy technique to prevent inherited mitochondrial disease show promise, researchers say.

Studies of the technique at Oregon Health & Science University in Portland show no adverse health effects in rhesus macaque monkeys and th...

08 Oct
DNA Analysis Might Reveal Melanoma Risk

DNA Analysis Might Reveal Melanoma Risk

DNA mutations in skin cells may signal a risk for melanoma long before it's visible to the eye, a new study suggests.

Exposure to sun damages skin and DNA, and this damage can be measured. Using a new method for analyzing DNA harm, researchers say they can estimate ...

14 Jul
Scientists Move Closer to Mapping Entire Human Genome

Scientists Move Closer to Mapping Entire Human Genome

Although much of the genetic makeup of humans has been mapped, hundreds of missing DNA sequences remain.

Until now.

Scientists from the U.S. National Human Genome Research Institute report they have produced the complete DNA sequence of a single human chrom...

31 Mar
Blood Test Could Spot 50 Different Cancers

Blood Test Could Spot 50 Different Cancers

A simple blood test for dozens of cancers is in the works.

Researchers say their test can detect more than 50 kinds of cancer at early stages and pinpoint their location in the body.

"If these findings are validated, it will be feasible to consider how thi...

30 Mar
Do Gene Mutations Explain COVID-19 Cases in the Young?

Do Gene Mutations Explain COVID-19 Cases in the Young?

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 admitte...

26 Mar
Coronavirus Isn't Even 'Alive,' But Expert Explains How It Can Harm

Coronavirus Isn't Even 'Alive,' But Expert Explains How It Can Harm

It has spread across the globe in just a few short months, sickening hundreds of thousands, but the new coronavirus has the dubious distinction of not really being a living organism, biologists say.

"Viruses aren't considered alive -- in class, I call them pseudo-ali...

23 Jan
Racism Linked to Faster Aging Among Blacks

Racism Linked to Faster Aging Among Blacks

The racism black Americans face may age them prematurely, a new study suggests.

This aging is occurring at the cellular level -- specifically, the shortening of telomeres, researchers say.

Telomeres are the repetitive sequences of DNA that sit at the tips ...

08 Aug
New DNA Blood Test May Help Guide Breast Cancer Treatment

New DNA Blood Test May Help Guide Breast Cancer Treatment

Could the DNA from a patient's breast tumor help doctors spot whether stray cancer cells are still in her blood?

That's what a small, new study suggests is possible. If the findings are replicated in a larger study, such a test might help determine whether a treatme...

16 Jul
How to Protect Your DNA for Big Health Benefits

How to Protect Your DNA for Big Health Benefits

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 insi...

18 Jun
Your Mom Plays a Role in Age at Menopause, Longevity

Your Mom Plays a Role in Age at Menopause, Longevity

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...

11 Jun
Gene Test Might Someday Gauge Your Heart Attack Risk

Gene Test Might Someday Gauge Your Heart Attack Risk

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...

25 Mar
Sperm DNA Damage May Lead to Repeat Miscarriages: Study

Sperm DNA Damage May Lead to Repeat Miscarriages: Study

When couples experience recurrent pregnancy loss, it's natural for them to want to know why. Now, a new study suggests that sperm DNA damage could be a factor.

Recurrent pregnancy loss is defined as the consecutive loss of three or more pregnancies before 20 weeks' g...

13 Mar
After Chinese Infant Gene-Editing Scandal, U.S. Health Officials Join Call for a Ban

After Chinese Infant Gene-Editing Scandal, U.S. Health Officials Join Call for a Ban

The controversy over a Chinese scientist who claimed he created gene-edited babies has prompted the U.S. National Institutes of Health to join an international moratorium on such research.

"Today, leading scientists and ethicists from seven countries have called for ...

01 Mar
Scientists Find 5 New Genes That Sway Alzheimer's Risk

Scientists Find 5 New Genes That Sway Alzheimer's Risk

The largest study to date of the genetic underpinnings of Alzheimer's has uncovered five new gene mutations that make people more vulnerable to the memory-robbing disease.

The international team of scientists analyzed the DNA of more than 94,000 people collected by t...

28 Feb
Could Invasive Lung Cancer Biopsies Be Replaced by Blood Tests?

Could Invasive Lung Cancer Biopsies Be Replaced by Blood Tests?

A blood test may one day replace invasive tissue biopsies as a pain-free way to guide treatment in lung cancer patients, new research suggests.

The so-called "liquid biopsy" can quickly identify tumor gene mutations that match targeted drug therapies -- potentially b...

18 Feb
'Apple-Shaped' Body? 'Pear-Shaped'? Your Genes May Tell

'Apple-Shaped' Body? 'Pear-Shaped'? Your Genes May Tell

A large, new study has uncovered 24 genetic variations that help separate the apple-shaped people from the pear-shaped ones.

Researchers said the findings help explain why some people are prone to carrying any excess weight around the belly. But more importantly, the...

15 Feb
Hands Don't Spread HPV, Study Finds

Hands Don't Spread HPV, Study Finds

Human papillomavirus (HPV) is easily transmitted during sex, but it is unlikely to be passed by the hands, Canadian researchers report.

The virus, which infects the skin and genitals, is a cause of several types of cancer in both men and women, including cervical can...

04 Jan
Decoding Newborn's DNA Could Pinpoint Hidden Risks

Decoding Newborn's DNA Could Pinpoint Hidden Risks

A program that maps out the genes of newborns has allowed researchers to identify risks for some inherited childhood conditions, many of which can be prevented.

The so-called BabySeq Project discovered that slightly more than 9 percent of infants carry genes that put...

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