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Human 'Brain Cell Atlas' Brings New Insight Into Brain Health, Illness
- Amy Norton HealthDay Reporter
- October 12, 2023
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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...
Scientists Discover Secrets of the Cat's Purr
- Cara Murez HealthDay Reporter
- October 9, 2023
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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...
Music Lovers' Physiology 'Synchronizes' at Classical Music Concerts
- Cara Murez HealthDay Reporter
- October 6, 2023
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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...
Exercise Can Preserve Astronauts' Heart Health on Long Space Flights
- Cara Murez HealthDay Reporter
- October 2, 2023
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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...
Growing Up Poor May Rewire a Child's Brain: Study
- Cara Murez HealthDay Reporter
- June 28, 2023
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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...
Space Travel Might Weaken Immune System
- Cara Murez HealthDay Reporter
- June 22, 2023
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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...
Long Space Flights Could Take Toll on Astronauts' Brains
- Cara Murez HealthDay Reporter
- June 9, 2023
- Página completa
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...
You May Have Neanderthals to Thank for Your Nose
- Cara Murez HealthDay Reporter
- May 9, 2023
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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...
Concussion's Effect on Brain Can Last 6 Months or More
- Cara Murez HealthDay Reporter
- April 26, 2023
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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...
Digestive Organs Vary Widely Between People, Study Finds
- Dennis Thompson HealthDay Reporter
- April 24, 2023
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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...
How Round Is Your Heart? It Might Matter for Health
- Cara Murez HealthDay Reporter
- March 30, 2023
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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...
Stranded Dolphins' Brains Show Alzheimer's-Like Changes
- Cara Murez HealthDay Reporter
- December 21, 2022
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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 ...
People Are Still Evolving, Creating New Genes
- Cara Murez HealthDay Reporter
- December 21, 2022
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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...
Kidney Disease Is Tougher on Men Than Women, and Researchers Now Know Why
- Cara Murez HealthDay Reporter
- November 9, 2022
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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 ...
Could Your Blood Type Raise Your Odds for Stroke?
- Amy Norton HealthDay Reporter
- September 1, 2022
- Página completa
The risk of suffering a stroke at an early age may depend partly on a person's blood type, a large study suggests.
Want That Pill to Work Fast? Your Body Position Matters
- By Cara Murez HealthDay Reporter
- August 17, 2022
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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 ...
Pig Hearts Successfully Transplanted Into 2 Brain-Dead Patients
- Dennis Thompson HealthDay Reporter
- July 12, 2022
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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...
Very Old Reptiles Give Clues to Longevity in Humans
- By Cara Murez HealthDay Reporter
- June 24, 2022
- Página completa
Historically, not much has been recorded on the aging of amphibians and reptiles, unless they live in a zoo.
Tiny Mites Are Feeding on Your Skin, But for How Long?
- Dennis Thompson HealthDay Reporter
- June 22, 2022
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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...
'Feverish': Healthy Human Brains Are Hotter Than We Thought
- By Robert Preidt HealthDay Reporter
- June 13, 2022
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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
Brain Changes May Be Hallmark of Anorexia
- By Robert Preidt HealthDay Reporter
- June 10, 2022
- Página completa
People with anorexia nervosa show significant shrinkage in three important areas of the brain, new research reveals.
The researchers said their ...
Your Height Could Be a Factor in Disease Risk
- Steven Reinberg HealthDay Reporter
- June 3, 2022
- Página completa
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...
'Human Cell Atlas' Maps 1 Million Cell Types in 33 Organs
- Dennis Thompson HealthDay Reporter
- May 12, 2022
- Página completa
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 ...
What Long Periods in Space Do to Astronauts' Brains
- By Robert Preidt HealthDay Reporter
- May 9, 2022
- Página completa
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 (...
Science Reveals Secrets of 'Puppy Dog Eyes'
- By Robert Preidt HealthDay Reporter
- April 7, 2022
- Página completa
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...
Seeing Red: Why Mosquitoes Make a Beeline for Your Skin
- February 8, 2022
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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.
Dolphins Have a Functioning Clitoris, Study Finds
- Cara Murez
- January 11, 2022
- Página completa
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...
Highly Inbred, French Bulldogs Face Higher Odds for 20 Health Issues
- Dennis Thompson HealthDay Reporter
- December 20, 2021
- Página completa
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...
Even T. Rex Had Bone Trouble
- Robert Preidt
- December 1, 2021
- Página completa
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...
No 'Fall Back'? Sleep Experts Argue Against Daylight Standard Time
- Dennis Thompson HealthDay Reporter
- November 5, 2021
- Página completa
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...
Gender-Affirming Mastectomies Give Boost to Patients' Mental Health
- Robert Preidt
- October 20, 2021
- Página completa
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...
Shape, Size of Brain Arteries May Predict Stroke Risk
- Steven Reinberg
- October 4, 2021
- Página completa
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...
Stories Get Listeners' Hearts in Sync
- Steven Reinberg
- September 15, 2021
- Página completa
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...
Fur Find: Genes Uncovered Behind Cats' Spots & Stripes
- Cara Murez
- September 14, 2021
- Página completa
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...
Your State's Laws Might Save Your Life If Breast Cancer Strikes
- Denise Mann HealthDay Reporter
- September 13, 2021
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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...