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Health News Results - 260

THURSDAY, Nov. 14, 2019 (HealthDay News) -- People with peanut allergy must be constantly vigilant to avoid a life-threatening allergic reaction. But researchers report that a new drug injection might offer at least temporary protection against the most severe reactions.

Just one shot of an experimental antibody treatment allowed people with severe peanut allergy to eat about one pea...

TUESDAY, Nov. 12, 2019 (HealthDay News) -- Don't count on potted plants to keep your home's air clean.

Dispelling a common belief, researchers at Drexel University in Philadelphia found that natural ventilation does a far better job than houseplants in maintaining air quality in homes and offices.

"This has been a common misconception for some time. Plants are great, but the...

THURSDAY, Nov. 7, 2019 (HealthDay News) -- Researchers have developed a skin patch that might one day give women the ability to self-administer long-acting birth control.

The patch, which contains "micro-needles" absorbed into the skin, is seen as a possible alternative to current long-acting contraceptives. Those methods -- intrauterine devices (IUDs) and contraceptive implants -- ar...

THURSDAY, Oct. 31, 2019 (HealthDay News) -- The deep stages of sleep may give the brain a chance to wash itself free of potentially toxic substances, a new study suggests.

Researchers found that during deep sleep, the "slow-wave" activity of nerve cells appears to make room for cerebral spinal fluid to rhythmically move in and out of the brain -- a process believed to rinse out metabo...

TUESDAY, Oct. 29, 2019 (HealthDay News) -- More than 300 million people worldwide -- or 4% of the population -- have a rare disease, a new study finds.

A disease is considered rare when it affects fewer than five in 10,000 people, according to a European definition.

Until now, it's been difficult to gauge how widespread rare diseases are. But a team led by a French resea...

MONDAY, Oct. 28, 2019 (HealthDay News) -- People struggling with anxiety, depression or other psychiatric problems shouldn't pin their hopes on medical marijuana, a new review suggests.

Dozens of studies involving more than 3,000 people did not provide compelling evidence that medical cannabis can help treat disorders of the mind, the review authors concluded.

"Cannabinoids ...

WEDNESDAY, Oct. 16, 2019 (HealthDay News) -- Giant dinosaurs, such as long-necked sauropods, evolved special cooling systems to prevent overheating and brain damage, according to a new study.

"Small dinosaurs could have just run into the shade to cool off, but for those giant dinosaurs, the potential for overheating was literally inescapable," said study co-author Lawrence Witmer, a p...

WEDNESDAY, Oct. 9, 2019 (HealthDay News) -- Humans may lack the salamander skill of regrowing a limb, but a new study suggests they do have some capacity to restore cartilage in their joints.

The findings run counter to a widely held belief: Because the cartilage cushioning your joints lacks its own blood supply, your body can't repair damage from an injury or the wear-and-tear of agi...

TUESDAY, Oct. 8, 2019 (HealthDay News) -- Scientists are taking the wrappings off an age-old malady.

Clogged arteries are a heart problem that's dogged humanity for millennia, finds a new imaging study of mummies.

Mummified arterial tissue shows evidence of cholesterol plaque buildup in people who lived anywhere from 2000 BC to 1000 AD, said lead researcher Dr. Mohammad Madj...

MONDAY, Sept. 30, 2019 (HealthDay News) -- There's a lurking dread in the back of the minds of many people who love steak, burgers and bacon -- the fear that what they enjoy eating might not be doing their health any favors.

But a major new review argues that folks can set those fears aside.

Cutting back on consumption of red meat or processed meat will not significantly red...

TUESDAY, Sept. 17, 2019 (HealthDay News) -- There's no shortage of reasons to get your omega-3s, which are abundant in fish and their oils.

But high consumption of fish and their oils has created a shortage around the world. In addition, fish can be costly, and there are also concerns about toxins, like mercury, which affect many fatty fish to some degree. Since omega-3 fatty acids pl...

WEDNESDAY, Sept. 11, 2019 (HealthDay News) -- Ten cancer drugs being tested in human clinical trials appear to work -- but not in the ways their developers thought they would, researchers say.

"The idea for many of these drugs is that they block the function of a certain protein in cancer cells. And what we showed is that most of these drugs don't work by blocking the function of the...

MONDAY, Sept. 9, 2019 (HealthDay News) -- After losing a lower leg, Savo Panic received a prosthetic limb that helped restore movement. But prostheses are imperfect, and he suffered tremendous "phantom" leg pain.

Now, European scientists say they've developed a technology that restores natural feeling and improves walking in patients who've had a lower leg amputation. The approach als...

WEDNESDAY, Sept. 4, 2019 (HealthDay News) -- Antidepressants typically take four to eight weeks to ease the debilitating symptoms of depression, but an early clinical trial found a new type of drug brought relief in just two weeks.

"SAGE-217, once fully developed, has potential to offer relatively quick and clinically meaningful alleviation of depressive symptoms in patients with mode...

THURSDAY, Aug. 22, 2019 (HealthDay News) -- Imagine a single pill loaded with a battery of heart medications that you take once a day to cut your chances of heart attack, stroke and heart failure.

A new clinical trial has turned that idea into reality.

The "polypill" reduced the risk of life-threatening heart health problems by more than one-third during a five-year period i...

THURSDAY, Aug. 22, 2019 (HealthDay News) -- Everywhere you look, CBD products are for sale, and they may hold promise for treating chronic pain, opioid addiction and other conditions.

But a new review says more human clinical trials on the safety and effectiveness of cannabidiol (CBD) products are needed.

"There are many intriguing findings in pre-clinical studies that sugge...

WEDNESDAY, Aug. 14, 2019 (HealthDay News) -- New therapies are showing real promise in fighting the type of brain cancer that claimed the lives of Sens. John McCain and Ted Kennedy, a pair of new clinical trials shows.

One experimental treatment injects powerful genes directly into a brain tumor, and then uses pills to turn the genes on and off. That way, the genes can attack the canc...

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...

FRIDAY, Aug. 9, 2019 (HealthDay News) -- Americans' confidence in scientists is on the rise, but deep political divisions persist, a new nationwide poll reveals.

The Pew Research Center poll of more than 4,400 adults found that 86% have at least "a fair amount" of confidence in scientists to act in the public interest. That includes 35% who said they have "a great deal" of co...

THURSDAY, Aug. 8, 2019 (HealthDay News) -- 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 treatment is working or not. It also has the potential to reduce unnecessary additio...

TUESDAY, Aug. 6, 2019 (HealthDay News) -- Summary results of clinical trials published in top journals are often exaggerated, a new review charges.

The review says such spin -- exaggerating the clinical significance of a treatment without statistics to back it up -- is common in abstracts published in leading psychology and psychiatry journals. And the authors warn it could be dangero...

THURSDAY, Aug. 1, 2019 (HealthDay News) -- A simple blood test helped pinpoint the early signs of Alzheimer's in a new study.

Up to two decades before people develop Alzheimer's symptoms such as memory loss and confusion, harmful clumps of amyloid beta protein begin to accumulate in their brain, researchers explained.

But it's possible to measure levels of amyloid beta in th...

THURSDAY, Aug. 1, 2019 (HealthDay News) -- Autopsies have uncovered new insight into how the illegal drug methamphetamine harms the heart.

Preliminary findings presented Thursday at an American Heart Association meeting, in Boston, suggest that meth triggers a buildup of tough protein fibers known as collagen in the heart muscle.

Previous autopsy studies have noted injury t...

WEDNESDAY, July 24, 2019 (HealthDay News) -- Many of the most common or deadliest cancers receive the least research funding from nonprofits, a new study finds.

"The goal of this study is not to divert funds away from cancers that are well-supported, but rather expand funding for other cancers that aren't getting enough support currently," said corresponding author Dr. Suneel Kamath.<...

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'...

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 ...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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

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.

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...

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...

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...

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 ...

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...

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...

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...

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...