scientific study

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Heart Arrhythmia May Have Influenced Beethoven Music

Scientists speculate he may have tapped into his heartbeat as he lost his hearing

(Newser) - As Beethoven went deaf, he may have started listening to his heart. In a new study published in Perspectives in Biology and Medicine , a cardiologist, an internal medical specialist, and a musicologist point out that three of the German composer's works exhibit "rhythmic shifts and punctuations" that weren'... More »

Sleep Drug Helps Car-Crash Victim Start Speaking Again

Docs say man regained speech after being given drug normally used as sedative

(Newser) - A 43-year-old car-crash victim in Italy who fell into a "minimally conscious state" to the point where he could no longer speak suddenly started chatting again after receiving a sedative, LiveScience reports. A study published in November in Restorative Neurology and Neuroscience said it's the first case showing... More »

Sugar Is Making Us Really Sick

UCSF researchers start 'science initiative' to show sugar's links to chronic diseases

(Newser) - Dr. Robert Lustig has studied childhood obesity for 16 years and cross-analyzed numerous studies to come to a not-so-sweet conclusion: Sugar should be thought of along the same lines as tobacco, cocaine, or alcohol, he told the Guardian in August. Now Lustig is a member of a 12-scientist team working... More »

Binge Drinking Does a Number on Immune System

Immune system slows down a few hours after 'peak intoxication'

(Newser) - If you're set on doing some heavy pouring to ring in the new year, you've probably already resigned yourself to a recovery hangover tomorrow. But binge drinking—defined by the CDC as having five or more drinks in two hours if you're a guy, four or more... More »

Breathing in Pollution While Pregnant Linked to Autism

3rd trimester seems to be the most at-risk time to inhale fine particulate matter

(Newser) - It's probably not good for anyone to take a deep gulp of polluted air, but for pregnant women it could have a particularly significant effect—including maybe even upping the risk of having an autistic child, Bloomberg reports. A Harvard study published yesterday in Environmental Health Perspectives says that... More »

Ladies, Men Really Don't Feel Your Pain

Researchers find women, parents are much more empathetic

(Newser) - Think your man doesn't feel your pain? It might not be in your head after all. Scientists in Australia say men simply aren't very empathetic when their partners are blue—and they have a national survey to prove it, reports the Herald Sun . Researchers interviewed 20,000 Australians... More »

More Than 50% of Kids Will Live With Single Mom

Lack of biological dad in kids' lives also ups risk of antisocial behavior: report

(Newser) - In 1965, sociologist Daniel Patrick Moynihan (who later became the iconic New York senator) published a controversial study about the increasing number of black families headed by single moms, in which he asserted that black children growing up without male breadwinners would have a harder time breaking the poverty cycle.... More »

Dementia Linked to Bad Night's Sleep

Researchers say low oxygen levels cause abnormalities in brain

(Newser) - We're all familiar with that sluggish feeling after a bad night's sleep. Now researchers believe sleep disturbances spark changes in the brain that may lead to dementia, according to a new study. The key to this connection is low oxygen in the blood during sleep. The culprit? Conditions... More »

Amount of Plastic in Ocean: 700 Pieces per Human

Estimate taken from 24 ocean expeditions from 2007 to 2013

(Newser) - Mother Earth has reached a milestone, but not the kind anyone will want to celebrate: The plastic floating in the oceans has been estimated to the tune of 5 trillion pieces in a new study. That's 250,000 tons, or some 700 pieces per person, the Washington Post reports.... More »

How Red Wine Helps Fight Cancer

Chemical resveratrol fights adverse effects of other booze, says study

(Newser) - Overindulgence of alcohol in general may raise your risk of cancer, but a University of Colorado team explains how red wine in particular could fend that cancer off. A study published in Advances in Experimental Medicine and Biology says that although alcohol has been linked as a risk factor for... More »

Male Smokers May Lose Y Chromosomes

Research may explain men's higher cancer rates

(Newser) - Even if general appeals to one's health aren't enough to convince people to quit smoking , perhaps this new research out of Sweden will give men some pause. An Uppsala University study published yesterday in Science says that male smokers are, on average, three times more likely to lose... More »

Older Men Really Do Have Worse Sperm

Quality, volume goes down as men age, study says

(Newser) - Every sperm is sacred, but older ones need even more TLC than previously thought. Although scientists have long theorized that sperm quality drops as men age, a University of Otago review of 90 studies from more than 30 countries confirms there are "consistent age-related declines" in the quantity of... More »

Toys Send Kids to ER Every 3 Minutes

Scooters top toy-related injuries, which have jumped 40% over 20 years

(Newser) - A study that shows toy-related injuries have jumped 40% over the past two decades might have parents reconsidering their kids' holiday wish lists. The report, published in Clinical Pediatrics today, shows that the injury rate for toy-related accidents, which affects boys and younger children the most, increased from 18.9... More »

Air Around Hand Dryers Is Pretty Germy

27 times more bacteria found in air around jet-air dryers than around paper towels

(Newser) - Given the choice between noisy hand dryers and tree-felling paper towels, dryers are the better option, right? Maybe not, at least when it comes to your health. A University of Leeds study finds hand dryers, especially "jet-air" models, can actually spread germs around a public bathroom. To simulate what... More »

Guys Dig Women in High Heels: Science

Surprise-to-no-one study shows the higher the heel, the more likely men are to help

(Newser) - From the researcher who showed female hitchhikers with big breasts got picked up more by men than their flatter-chested counterparts comes another revealing study: one that appears to confirm that guys think high heels are sexier than flats. In a report published in the Archives of Sexual Behavior , the University... More »

In a French Kiss, You Swap More Than Spit

Smooch for 10 seconds, and you've transferred 80M bacteria

(Newser) - A kiss is just a kiss—except for when it's a major bacteria conduit. A new study published in Microbiome takes a look at what happens when we kiss intimately, and finds that 10 seconds of passion can result in the transfer of up to 80 million bacteria. Dutch... More »

Why 25% of Mammals Commit Infanticide

It boils down to sex, researchers say

(Newser) - The co-author of a new study estimates that 25% of our planet's mammals practice infanticide—and she thinks she knows why. Elise Huchard and Dieter Lukas studied 260 species; in about 45% of them, babies are killed by male adults. And it all boils down to sex, says Huchard.... More »

Pantyhose Help Reveal Why Mosquitoes Prefer Humans

Researchers use stockings to zero in on a human-only body odor

(Newser) - Thousands of years ago some mosquitoes made "a really good evolutionary move": They developed a taste for humans. A new study digs into the genes that led to this evolutionary shift, which had many mosquitoes give up on furry forest animals—and it relied on guinea pigs and pantyhose... More »

Scientists Find 6 Flame Retardants in Our Bodies

Small study analyzed urine of 16 Californians

(Newser) - Much of the furniture in your home is likely coated in flame retardants—and it turns out those same flame retardants may be making themselves at home in our bodies. The Silent Spring Institute, working in tandem with Belgian researchers, tested 16 Californians for biomarkers of six flame-retardant chemicals using... More »

Scientists Find Key Culprit in Antarctic Ice Melt

Underwater storms bringing warm water to polar ice: study

(Newser) - Storms aren't just a result of global warming, they may actually be causing the unstoppable Antarctic ice melt . Robots patrolling more than 3,250 feet below the Weddell Sea have discovered underwater storms are helping thaw Antarctic ice as they drive warm water toward polar ice shelves. Essentially, researchers... More »

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