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12 Oct
Human 'Brain Cell Atlas' Brings New Insight Into Brain Health, Illness

Human 'Brain Cell Atlas' Brings New Insight Into Brain Health, Illness

After a massive five-year effort, researchers have unveiled an "atlas"that gives an unprecedented look at the intricacies of the human brain.

The atlas, which will be available to researchers everywhere, can...

09 Oct
Scientists Discover Secrets of the Cat's Purr

Scientists Discover Secrets of the Cat's Purr

Anyone with a cat knows the calm, low rumble of purring, but how does such a small animal make such a low sound?

New research suggests it boils down to a pad embedded in feline vocal cord folds.

That's different than previously thought, which was that purring happ...

06 Oct
Music Lovers' Physiology 'Synchronizes' at Classical Music Concerts

Music Lovers' Physiology 'Synchronizes' at Classical Music Concerts

New research suggests that concert goers may synchronize their breathing and more as they listen to the intricacies of a classical symphony performance.

Previous studies have shown that music may be able to induce synchronization in listeners, but the authors of this stu...

02 Oct
Exercise Can Preserve Astronauts' Heart Health on Long Space Flights

Exercise Can Preserve Astronauts' Heart Health on Long Space Flights

Extensive exercise regimens are keeping astronauts healthy and protecting their hearts during extended space missions, new research finds.

A study from scientists at UT Southwestern Medical Center in Dallas found no loss of heart mass or output, and no loss of function i...

28 Jun
Growing Up Poor May Rewire a Child's Brain: Study

Growing Up Poor May Rewire a Child's Brain: Study

Growing up in poverty may harm the structural wiring of a child's brain, a new study claims.

Researchers from Washington University School of Medicine in St. Louis found a link between both neighborhood and household poverty and the brain's white matter tracts. These let...

22 Jun
Space Travel Might Weaken Immune System

Space Travel Might Weaken Immune System

Space travel appears to weaken astronauts' immune systems, and researchers believe changes in gene expression are the culprit.

These immune deficits aren't permanent. They disappear when back on Earth, often within weeks, according to new rese...

09 Jun
Long Space Flights Could Take Toll on Astronauts' Brains

Long Space Flights Could Take Toll on Astronauts' Brains

Astronauts spending six months or longer in space should stretch their time between trips to three years, warns new research on the impact of space travel on the brain.

To study this, researchers examined the brain scans of 30 astronauts, looking at scans that depicted t...

09 May
You May Have Neanderthals to Thank for Your Nose

You May Have Neanderthals to Thank for Your Nose

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 neces...

26 Apr
Concussion's Effect on Brain Can Last 6 Months or More

Concussion's Effect on Brain Can Last 6 Months or More

A significant number of patients take far longer to recover from a concussion than expected, and they may not be getting the care they need, according to a new study.

Researchers from the United Kingdom who studied concussion patients found that almost half had changes i...

24 Apr
Digestive Organs Vary Widely Between People, Study Finds

Digestive Organs Vary Widely Between People, Study Finds

People are often reminded that they are their own unique person -- and a new study says that's particularly true of the digestive tract.

Dissections of a few dozen deceased individuals revealed striking differences in gastrointestinal anatomy, even among a small group of...

30 Mar
How Round Is Your Heart? It Might Matter for Health

How Round Is Your Heart? It Might Matter for Health

Assessing heart roundness may be a new way to diagnose cardiovascular conditions, new research suggests.

While doctors now use measures like heart chamber size and systolic function to diagnose and monitor cardiomyopathy and other related heart issues, cardiac sphericity...

21 Dec
Stranded Dolphins' Brains Show Alzheimer's-Like Changes

Stranded Dolphins' Brains Show Alzheimer's-Like Changes

Groups of whales, dolphins and porpoises are regularly stranded in shallow waters around the coasts of the United Kingdom.

Researchers wanted to understand why, so they studied the brains of 22 toothed whales -- or "odontocetes" -- that were stranded in Scottish coastal ...

21 Dec
People Are Still Evolving, Creating New Genes

People Are Still Evolving, Creating New Genes

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...

09 Nov
Kidney Disease Is Tougher on Men Than Women, and Researchers Now Know Why

Kidney Disease Is Tougher on Men Than Women, and Researchers Now Know Why

Women tend to be better able than men to recover from kidney injury, but why?

Apparently women have an advantage at the molecular level that protects them from a form of cell death that occurs in injured kidneys, a new study in mice has discovered.

"Kidney disease ...

01 Sep
Could Your Blood Type Raise Your Odds for Stroke?

Could Your Blood Type Raise Your Odds for Stroke?

The risk of suffering a stroke at an early age may depend partly on a person's blood type, a large study suggests.

When it comes to the risk of

17 Aug
Want That Pill to Work Fast? Your Body Position Matters

Want That Pill to Work Fast? Your Body Position Matters

If you need to take a pill, you might want to take it lying down -- on your right side, that is.

Researchers studying how body positioning affects the absorption of pills found that one taken when a person was lying on the right side speeded pills to the deepest part of ...

12 Jul
Pig Hearts Successfully Transplanted Into 2 Brain-Dead Patients

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 suppo...

24 Jun
Very Old Reptiles Give Clues to Longevity in Humans

Very Old Reptiles Give Clues to Longevity in Humans

Historically, not much has been recorded on the aging of amphibians and reptiles, unless they live in a zoo.

22 Jun
Tiny Mites Are Feeding on Your Skin, But for How Long?

Tiny Mites Are Feeding on Your Skin, But for How Long?

It's an icky truth: Everyone has millions of tiny mites living and mating on their skin.

Not to worry, though -- Demodex folliculorum skin mites actually help keep your pores clean and your skin healthy, stressed Alejandra Perotti, an associate professor of inve...

13 Jun
'Feverish': Healthy Human Brains Are Hotter Than We Thought

'Feverish': Healthy Human Brains Are Hotter Than We Thought

New research gives new meaning to the term "hotheaded" - your normal brain temperature is higher and varies much more than previously thought.

The findings could lead to future research into whether disruption of daily brain temperature rhythms might trigger

10 Jun
Brain Changes May Be Hallmark of Anorexia

Brain Changes May Be Hallmark of Anorexia

People with anorexia nervosa show significant shrinkage in three important areas of the brain, new research reveals.

The researchers said their ...

03 Jun
Your Height Could Be a Factor in Disease Risk

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 pressu...

12 May
'Human Cell Atlas' Maps 1 Million Cell Types in 33 Organs

'Human Cell Atlas' Maps 1 Million Cell Types in 33 Organs

An international research effort has unveiled the most extensive reference map yet of individual cells within the human body, knowledge that could revolutionize the study of health and disease.

The massive Human Cell Atlas contains detailed maps of more than one million ...

09 May
What Long Periods in Space Do to Astronauts' Brains

What Long Periods in Space Do to Astronauts' Brains

Scientists have unearthed new details about how astronauts' brains are affected by extended trips in space.

"These findings have important implications as we continue space exploration," said study co-author Dr. Juan Piantino. He is an assistant professor of pediatrics (...

07 Apr
Science Reveals Secrets of 'Puppy Dog Eyes'

Science Reveals Secrets of 'Puppy Dog Eyes'

If you've ever wondered how your pooch flashes those "puppy dog eyes" that melt your heart, a new study may provide some answers.

The researchers identified certain muscle features that help dogs look so cute, and it suggests that thousands of years of selective breeding...

08 Feb
Seeing Red: Why Mosquitoes Make a Beeline for Your Skin

Seeing Red: Why Mosquitoes Make a Beeline for Your Skin

TUESDAY, Feb. 8, 2022 (HealthDay News ) -- Mosquitoes see red when they look at your skin, and that brings them in for a bite, according to research showing that these insects find certain colors more attractive.

The

11 Jan
Dolphins Have a Functioning Clitoris, Study Finds

Dolphins Have a Functioning Clitoris, Study Finds

The sex lives of dolphins may seem to be an esoteric scientific subject, but there are researchers who wondered if a certain part of a female dolphin's anatomy might produce pleasure.

"Every time we dissected a vagina, we would see this very large clitoris, and we were c...

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

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...

01 Dec
Even T. Rex Had Bone Trouble

Even T. Rex Had Bone Trouble

They once ruled the planet, but even the mighty Tyrannosaurus rex could suffer from bone disease, new research shows.

Scientists used imaging to examine the lower left jaw of a fossilized T. rex skeleton discovered in Montana in 2010. The skeleton, which is about 68 mill...

05 Nov
No 'Fall Back'? Sleep Experts Argue Against Daylight Standard Time

No 'Fall Back'? Sleep Experts Argue Against Daylight Standard Time

Most folks groan when the time comes to either "spring forward" or "fall back" an hour, with the waxing and waning of daylight saving time.

But that one-hour time shift -- which occurs at 2 a.m. Sunday -- is more than just a minor annoyance, sleep experts say.

Rese...

20 Oct
Gender-Affirming Mastectomies Give Boost to Patients' Mental Health

Gender-Affirming Mastectomies Give Boost to Patients' Mental Health

Gender-affirming breast removal (mastectomy) can greatly enhance a patients' mental well-being, a new study finds.

Gender-affirming mastectomy is the most common type of gender-confirming surgery, but there's "not a lot of information out there about how exactly these ty...

04 Oct
Shape, Size of Brain Arteries May Predict Stroke Risk

Shape, Size of Brain Arteries May Predict Stroke Risk

The size and shape of the blood vessels in your brain may help predict your risk of an often-fatal type of stroke, called an aneurysm, a new study finds.

An aneurysm is a bulge in an artery wall.

"A subarachnoid hemorrhage is the most dangerous type of stroke and o...

15 Sep
Stories Get Listeners' Hearts in Sync

Stories Get Listeners' Hearts in Sync

The heart rates of people sync up when listening to a story, a new study finds.

"There's a lot of literature demonstrating that people synchronize their physiology with each other. But the premise is that somehow you're interacting and physically present [in] the same pl...

14 Sep
Fur Find: Genes Uncovered Behind Cats' Spots & Stripes

Fur Find: Genes Uncovered Behind Cats' Spots & Stripes

Your favorite tabby cat may seem to have little similarity to her relatives in the wild, but all share a key gene that gives them their distinctive look.

Why cats' coats are decorated with stripes, spots and blotches has long been a mystery. Now, researchers have identif...

13 Sep
Your State's Laws Might Save Your Life If Breast Cancer Strikes

Your State's Laws Might Save Your Life If Breast Cancer Strikes

When Nancy Cappello was diagnosed with advanced breast cancer in 2003, she was stunned.

How could this have happened? She went for her annual screening mammogram every year and was always told that all was fine.

It wasn't.

Cappello had dense breasts, but no o...