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Health News Results - 274

Astronauts: Exercise More in Space, Faint Less on Earth

FRIDAY, July 19, 2019 (HealthDay News) -- As Americans mark the 50th anniversary of the Apollo 11 mission and man's first steps on the surface of the moon, a new study offers a solution for a vexing problem that many astronauts experience on their return to Earth.

All the time that astronauts spend floating weightless can trigger fainting and dizziness when they once again feel Earth'...

Gut Bacteria Supplements Might Boost Obese People's Health

MONDAY, July 1, 2019 (HealthDay News) -- Supplements of a type of gut bacteria may benefit people at heightened risk of diabetes and heart disease, a preliminary study suggests.

Researchers found that the supplements, containing bacteria called Akkermansia muciniphila, appear safe and potentially effective.

Over three months, volunteers who used a pasteurized version ...

Sperm Seems to Survive Just Fine in Space, Study Shows

TUESDAY, June 25, 2019 (HealthDay News) -- The reality of humans getting reproductive help in space just got a little bit closer.

Scientists in Spain report frozen sperm samples subjected to space-like gravity conditions were as viable as those that remained on Earth, a finding that could eventually lead to sperm banks in space.

The results "open the possibility of safely t...

New Drug Combats Leading Cause of Dwarfism

FRIDAY, June 21, 2019 (HealthDay News) -- An experimental drug increased growth rates in children with dwarfism, according to a new study.

The four-year phase 2 trial was conducted at centers in the United States, France, United Kingdom and Australia, and included 35 children, ages 5-14, with the genetic bone disorder achondroplasia, the most common type of dwarfism.

The chi...

Cell Mapping Provides New Insights About Asthma

THURSDAY, June 20, 2019 (HealthDay News) -- In an effort to improve the lives of millions of people with asthma, researchers say they've completed the first mapping of lung and airway cells, which may lead to new therapies for the common lung condition.

The mapping reveals differences between airways in people with and without asthma, and in how lung cells communicate with one anoth...

50 Years After Ban, Canadian Lakes Still Have High Levels of DDT

THURSDAY, June 13, 2019 (HealthDay News) -- Although DDT was banned in the 1970s, the toxic pesticide still lurks in the sediment of lakes in New Brunswick, Canada, researchers report.

To control insects, airplanes sprayed nearly 6,300 tons of DDT onto New Brunswick forests between 1952 and 1968.

Sprayed DDT can enter lakes and rivers, and find its way into the food chain, r...

No Needle Prick: Laser-Based Test Hunts Stray Melanoma Cells in Blood

WEDNESDAY, June 12, 2019 (HealthDay News) -- Monitoring a melanoma patient's progress is challenging. But a laser-based test might allow doctors to quickly screen the patient's blood to spot tumor cells roaming the body, a preliminary study suggests.

Those cells, known as circulating tumor cells, are "shed" from the original cancer site into the blood vessels or lymph system. They are...

Having an Extra Finger Can Come in Handy

FRIDAY, June 7, 2019 (HealthDay News) -- Though rare, some children are born with an extra finger, a condition known as polydactyly.

Now, for the first time, a team of researchers set out to see whether having this extra appendage is somehow beneficial.

The answer is yes.

The bottom line: Having an additional finger significantly boosts a person's ability to manip...

Your Gut Bacteria Could Affect Your Response to Meds

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...

Could 2 Prostate Cancer Drugs Fight Disease in Earlier Stages?

SUNDAY, June 2, 2019 (HealthDay News) -- Cutting-edge prostate cancer drugs that help extend life in the toughest cases might also be useful in fighting less aggressive tumors, two new clinical trials suggest.

Two drugs that interfere with cancer's ability to use testosterone for fuel, apalutamide (Erleada) and enzalutamide (Xtandi), are already approved fo...

Colon Cancer Striking More Under 50, and More Often in Western States

WEDNESDAY, May 29, 2019 (HealthDay News) -- Colon cancer rates among those under 50 in the United States are rising, and they're rising the most rapidly in western states, a new study finds.

"It was surprising that the largest increases were in the West, where you have more healthy behaviors," said lead researcher Rebecca Siegel, scientific director of surveillance research at the Am...

Scientists Develop an Antibiotic Alternative Against 'Superbugs'

WEDNESDAY, May 29, 2019 (HealthDay News) -- "Superbugs" strike fear in the hearts of scientists who are racing to find new drugs to fight these dangerous infections, but British researchers now report they have developed a compound that could battle these antibiotic-resistant bacteria in an entirely new way.

The compound, a metal complex based on the element ruthenium, "works by bindi...

New Gene Variants for Type 2 Diabetes Found

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...

Love the Smell of a Cup o' Joe? Here's What That Reveals About You

FRIDAY, May 17, 2019 (HealthDay News) -- Java junkies can sniff out even tiny amounts of coffee, and the more they drink, the better they can smell it, British researchers say.

It's a discovery with powerful implications for treating people addicted to substances with a distinct smell.

"The higher the caffeine use, the quicker a person recognized the odor of coffee," said s...

Scientists Spot Unexpected Player in Fibromyalgia

THURSDAY, May 16, 2019 (HealthDay News) -- Fibromyalgia is a mysterious and misunderstood illness, but researchers may have uncovered at least one key to the disease's origin: insulin resistance.

The new research compared a small group of people with fibromyalgia to two groups of healthy people and noted that a long-term measure of blood sugar levels was higher in the people with fibr...

Huhn? Scientists Working on Hearing Aid That Solves the 'Cocktail Party' Problem

WEDNESDAY, May 15, 2019 (HealthDay News) -- Chances are if you're over 60 it's already happened to you: You're in a crowded room and finding it tough to understand what your partner is saying a couple of feet away.

It's a longstanding hearing-loss issue known as the "cocktail party" problem. Conventional hearing aids still aren't able to fix it -- to separate out the talk you do

Is That Prostate Cancer Worth Treating? Chromosomes May Tell

MONDAY, May 13, 2019 (HealthDay News) -- To treat, or not to treat: That remains one of the tough conundrums for men with prostate cancer and their doctors, because some tumors may be aggressive, while others may take decades to cause harm.

Now, new research suggests that tracking specific changes in the number of chromosomes inside prostate cancer cells might help solve the riddle.

Pokeman Characters Linger in Brain Well Past Childhood

MONDAY, May 6, 2019 (HealthDay News) -- Play plenty of Pokemon as a child, and your brain may tuck your favorite characters away in a special place where they are never forgotten.

Researchers from Stanford University believe that's exactly what happened with a small group of adults they tested.

"It's been an open question in the field why we have brain regions that respond t...

New Theory Sheds Light on Leonardo da Vinci's Artistic Decline

SATURDAY, May 4, 2019 (HealthDay News) -- A fainting-related fall that caused nerve damage in his right hand could explain why Leonardo da Vinci's painting skills declined later in life, a new paper suggests.

The report, published as the world marks the 500th anniversary of the artist's death, contradicts the common belief that da Vinci's difficulties stemm...

Was Dyslexia the Secret to Leonardo da Vinci's Greatness?

THURSDAY, May 2, 2019 (HealthDay News) -- Leonardo da Vinci was an atrocious speller, a sure sign of dyslexia, but it's possible that very disorder fueled his genius, a researcher says.

May 2 marks the 500th anniversary of the death of da Vinci, an inventor and artist regarded by many as the most creative person ever known.

"Dyslexia is probably one of the things that made d...

Newly Discovered Illness May Cause Nearly 1 in 5 Dementias, Experts Say

TUESDAY, April 30, 2019 (HealthDay News) -- Elderly adults commonly have memory and thinking problems that look a lot like Alzheimer's disease, but they might really be suffering from a different form of dementia.

That's according to an international panel of experts who are giving the disease a name for the first time, and detailing what's known about it so far.

Writing in ...

Tiny Self-Guided Robot Navigates Through the Heart

WEDNESDAY, April 24, 2019 (HealthDay News) -- Many older Americans may remember "Fantastic Voyage" -- the 1966 film where scientists and the vessel they were in shrank to microscopic size and traveled through the human body.

Now, science fiction may be getting closer to reality. Researchers say they've created a tiny medical robot that's able to navigate on its own in and around a bea...

Weekly Infusion May Be Effective, Easier HIV Therapy

WEDNESDAY, April 17, 2019 (HealthDay News) -- The advent of highly active antiretroviral therapy (HAART) in the 1990s revolutionized HIV/AIDS treatment.

But while it dramatically improves survival, some patients can develop troublesome side effects or even resistance to the potent pills.

So, the search for an alternative has continued.

Enter UB-421. An antibody tha...

Scientists Bring Pig's Brain, Dead 4 Hours, Back to 'Cellular Activity'

WEDNESDAY, April 17, 2019 (HealthDay News) -- The death of brain cells may not be as sudden, or as irreversible, as previously believed.

Four hours after a pig's death, Yale scientists restored circulation and revived cellular activity within the dead animal's brain.

The cells of the brain remained viable six hours later, compared with other brains not preserved using the ne...

Israeli Team Announces First 3D-Printed Heart Using Human Cells

MONDAY, April 15, 2019 (HealthDay News) -- The world's first complete 3D printer-generated heart, made using the patient's own cells and materials, has been created in a lab.

Until now, success has been limited to printing only simple tissues without blood vessels.

"This is the first time anyone anywhere has successfully engineered and printed an entire heart replete with ce...

Astronaut Twins Show Space Travel Doesn't Bring Lasting Biological Changes

THURSDAY, April 11, 2019 (HealthDay News) -- NASA astronaut Scott Kelly spent a year on the International Space Station. His twin brother, fellow astronaut Mark Kelly, stayed on the ground.

And a large, interdisciplinary research team tracked the health and biology of both men, in a groundbreaking attempt to observe the effects of spaceflight on the human body.

There's a lot...

NFL Retirees Help Scientists Develop Early Test for Brain Condition CTE

WEDNESDAY, April 10, 2019 (HealthDay News) -- When NFL legend Frank Gifford died in 2015 at the age of 84, his family revealed that for years he'd suffered from mental issues caused by chronic traumatic encephalopathy (CTE), tied to head trauma experienced during his years of play.

CTE was also thought to contribute to the suicide of retired NFL great Junior Seau at the age of 43.

...

More Alzheimer's Drug Trial Failures: Are Researchers on the Wrong Track?

WEDNESDAY, April 10, 2019 (HealthDay News) -- Amyloid beta has long been a prime suspect in Alzheimer's disease, since abnormal levels of the protein form disruptive plaques between patients' brain cells.

But drug trials aimed at lowering amyloid levels have repeatedly failed to save people's brains, and some researchers now believe the focus needs to shift to other potential culprits...

New 'Cancer Vaccine' Attacks Tumors From Within

TUESDAY, April 9, 2019 (HealthDay News) -- A new method of brewing a cancer vaccine inside a patient's tumor could harness the power of the immune system to destroy the disease, researchers report.

Immune stimulants are injected directly into a tumor, which teaches the immune system to recognize and destroy all similar cancer cells throughout the body, said senior researcher Dr...

Dietary Supplements Do Nothing for You: Study

MONDAY, April 8, 2019 (HealthDay News) -- If you're popping dietary supplements in the hope of living longer, a large new study suggests you'd be better off investing that money in nutritious foods.

The research found that vitamins A and K, magnesium, zinc and copper were linked to a lower risk of death from heart disease or stroke, and an overall lower risk of dying during the avera...

Brain 'Zap' Might Rejuvenate Aging Memory

MONDAY, April 8, 2019 (HealthDay News) -- It's common for folks to become less sharp as they age, taking a little longer to do math in their heads or work out a knotty problem. But scientists might have a potential solution.

Brain stimulation using extremely weak electrical current might be able to reverse this and restore youthful vigor to aging minds, a new laboratory study suggests...

Microbes on International Space Station Are Familiar From Earth

MONDAY, April 8, 2019 (HealthDay News) -- Scientists have been cataloging bacteria and fungi inside the International Space Station (ISS), and they say their efforts will should keep astronauts safe and could also have benefits on Earth.

The team analyzed samples collected from eight locations on the space station during three flights across 14 months. The samples came from the viewin...

Scientists Spot Brain Cells That Control Traumatic Memories

THURSDAY, April 4, 2019 (HealthDay News) -- If you've ever been suddenly and unexpectedly reminded of a past trauma, you may wonder if those old fears will ever stop haunting you.

Now, neuroscientists say they've discovered a group of brain cells that control frightening memories, and they suggest that the finding could lead to new ways to treat anxiety, phobias and post-traumatic st...

Fish Slime Could Hold Key to Beating 'Superbug' Infections

MONDAY, April 1, 2019 (HealthDay News) -- Scientists are looking to an unexpected source in the battle against drug-resistant bacteria: fish slime.

The researchers said that microbes in the protective mucus that coats young fish holds promise in fighting multidrug-resistant bacteria. These include the so-called "superbug" microbes that cause methicillin-resistant Staphylococcus au...

Woman Feels No Pain, Thanks to Her Genes

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...

Funding Gap Leaves Women Scientists at a Lifelong Disadvantage: Study

FRIDAY, March 15, 2019 (HealthDay News) -- Women scientists get less early-career research funding from the U.S. government than men, which can put them at a disadvantage for the rest of their careers, a new study says.

Researchers analyzed grants given by the U.S. National Institutes of Health (NIH) to 53,000 first-time principal investigators (57 percent men and 43 percent women) be...

Human Ancestors' Diet Led You to Pronounce Your F's and V's

FRIDAY, March 15, 2019 (HealthDay News) -- Think of it as another example of a refined palate.

The ability to make speech sounds such as "f" and "v" is due to diet-led changes in humans' bite, researchers say.

The range of speech sounds people can make was generally thought to be fixed since modern humans appeared about 300,000 years ago, but this new study challenges that ...

Heart Care Guidelines Rarely Backed by Top-Notch Science

FRIDAY, March 15, 2019 (HealthDay News) -- Precious few treatment guidelines for heart patients are supported by the best scientific evidence, a new study shows.

Less than one in 10 recommendations are based on results from multiple randomized controlled trials (considered the "gold standard"), and that percentage has actually dropped in the past decade, the researchers reported.

...

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

WEDNESDAY, March 13, 2019 (HealthDay News) -- 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 an international moratorium on the use of genetic editing to modify the hu...

Dementia May Strike Differently, Depending on Race

TUESDAY, March 12, 2019 (HealthDay News) -- Dementia appears to strike people of different races in different ways, brain autopsies have revealed.

Hispanic and black people are more likely to suffer from dementia that's caused in part by micro-strokes or hardening of the arteries that serve the brain, researchers report.

On the other hand, whites are more likely to have deme...

Second HIV Patient May Be Cured After Transplant

TUESDAY, March 5, 2019 (HealthDay News) -- Doctors say they have sent a second HIV patient into what might be permanent remission using a stem cell transplant.

The news comes a decade after the first case of a cure was reported.

Back in 2009, doctors published a report in the New England Journal of Medicine detailing the case of the "Berlin patient" -- an HIV-positive...

FDA Poised to Approve Ketamine-Like Drug to Ease Depression

TUESDAY, March 5, 2019 (HealthDay News) -- The U.S. Food and Drug Administration could give its approval this week to esketamine -- a relative of the "club drug" and anesthetic ketamine -- against severe depression.

If that approval comes, it could be the first new class of medicines approved for years against an illness that plagues millions of Americans.

Approval couldn't ...

Largest Study Ever Finds No Link Between Measles Vaccine, Autism

MONDAY, March 4, 2019 (HealthDay News) -- Amid ongoing U.S. measles outbreaks, one of the largest studies to date provides fresh evidence that the measles, mumps and rubella (MMR) vaccine does not cause autism.

Danish researchers found no link between the MMR vaccine and autism, even when they focused on children at greater risk for developing autism.

"In a study of more tha...

Could Invasive Lung Cancer Biopsies Be Replaced by Blood Tests?

THURSDAY, Feb. 28, 2019 (HealthDay News) -- 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 boosting patient survival.

The new findings present "a convincing a...

Payments for Research Can Lead to Lies: Study

THURSDAY, Feb. 21, 2019 (HealthDay News) -- People who are paid to take part in research may be more likely to lie about their eligibility than those who aren't paid, a new study finds.

It included nearly 2,300 people who were surveyed on whether they're received a recent flu shot. One group of participants was told that their eligibility to take part in the survey didn't depend on wh...

Experimental Drug Helps Women With Deadly Type of Breast Cancer

WEDNESDAY, Feb. 20, 2019 (HealthDay News) -- An experimental drug has shown promise in extending the lives of women suffering from a particularly aggressive and deadly type of breast cancer, according to the results of a phase 2 trial.

Right now, the standard treatment of chemotherapy for metastatic triple-negative breast cancer has not been very effective. That might change with the...

Coming Soon: Battery-Free Pacemakers Powered by the Heart?

WEDNESDAY, Feb. 20, 2019 (HealthDay News) -- Scientists say they've taken a first step toward creating a pacemaker that runs on the heart's own energy rather than batteries.

Pacemakers are electronic devices implanted to regulate your heartbeat -- usually because of a condition that slows your heart's normal rate. Traditional pacemakers have two parts: a battery-powered pulse generato...

Gut Microbes May Help Drive Lupus, Study Finds

WEDNESDAY, Feb. 20, 2019 (HealthDay News) -- An imbalance in the gut "microbiome" of people with lupus may be driving the chronic autoimmune disease as well as its flare-ups, new research suggests.

The microbiome is the trillions of helpful bacteria that coexist in the human digestive tract and elsewhere in the body.

Comparing gut bacteria from lupus patients with bacteria f...

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

MONDAY, Feb. 18, 2019 (HealthDay News) -- 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, they could eventually shed light on the biology of diseases linked to obesity -- ...

Could Germs in Your Gut Send You Into Depression?

MONDAY, Feb. 4, 2019 (HealthDay News) -- Certain bacteria dwelling in the human gut might feed depression, according to a new study that adds evidence to the theory.

Researchers found that among over 2,100 adults, those with depression showed differences in specific groups of gut bacteria. And people with higher concentrations of certain other gut bugs generally reported better mental...