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| Medicine articles |
'No sweat' injection
A minimally invasive procedure can permanently cure people who suffer from "sweaty hands," according to a study presented today at the annual meeting of the Radiological Society of North America (RSNA).
Specialized neurons allow the brain to focus on novel sounds
A team of Spanish and American neuroscientists has discovered neurons in the mammalian brainstem that focus exclusively on new, novel sounds, helping humans and other animals ignore ongoing, predictable sounds.
Men and women differ in brain use during same tasks
The comedians are right. The science proves it. A man's brain and a woman's brain really do work differently.
Iron-rich rice improves the nutrition of women
For the past decade, plant breeders have been trying to boost the vitamin and mineral content of rice and other staples through traditional plant breeding and genetic engineering. But the foods have never been tested to see if they actually improve the health of the people who eat them.
War on terror meets war on cancer
A scientific method that has been used to track the source of illegal drugs, explosives, counterfeit bills and biological warfare agents may have some new uses: detecting rapidly growing cancers and studying obesity and eating disorders.
Stress substantially slows human body's ability to heal
The stress a typical married couple feels during an ordinary half-hour argument is enough to slow their bodies' ability to heal from wounds by at least one day, a new study has shown.
Autistic children's brains grow larger during first years of development
By age 2, children with the often-devastating neurological condition physicians call autism show a generalized enlargement of their brains, a new University of North Carolina at Chapel Hill and Duke University medical schools study concludes.
Researchers confirm lead as cause of Beethoven's illness
Researchers at the U.S. Department of Energy's Argonne National Laboratory have found massive amounts of lead in bone fragments belonging to 19th Century composer Ludwig von Beethoven, confirming the cause of his years of chronic debilitating illness.
Trust-building hormone short-circuits fear in humans
A brain chemical recently found to boost trust appears to work by reducing activity and weakening connections in fear-processing circuitry, a brain imaging study at the National Institutes of Health's (NIH) National Institute of Mental Health (NIMH) has discovered.
Performing monkeys in Asia carry viruses that could jump species to humans
Some urban performing monkeys in Indonesia are carrying several retroviruses that are capable of infecting people, according to a new study led by University of Washington researchers.
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New technique puts brain-imaging research on its head
It's a scene football fans will see over and over during the bowl and NFL playoff seasons: a player, often the quarterback, being slammed to the ground and hitting the back of his head on the landing. Sure, it hurts, but what happens to the inside of the skull? Researchers and doctors long have relied upon crude approximations made from test dummy crashes or mathematical models that infer – rather loosely – what happens to the brain during traumatic brain injury or concussion.
Cell phones, driving don't mix
Most people can rather efficiently walk and chew gum at the same time, but when it comes to more complicated "multi-tasking" – like driving and talking on a cell phone – there is a price to pay. And no one, it seems, is immune.
Key brain regulatory gene shows evolution in humans
Researchers have discovered the first brain regulatory gene that shows clear evidence of evolution from lower primates to humans. They said the evolution of humans might well have depended in part on hyperactivation of the gene, called prodynorphin (PDYN), that plays critical roles in regulating perception, behavior and memory.
New study identifies louse-borne diseases that ravaged Napoleon's army
Using dental pulp extracted from the teeth of soldiers who died during Napoleon's disastrous retreat through Russia in 1812, a new study finds DNA evidence that epidemic typhus and trench fever ran rampant among the French Grand Army.
Fishing for the origins of genome complexity
Biologists at Georgia Tech have provided scientific support for a controversial hypothesis that has divided the fields of evolutionary genomics and evolutionary developmental biology, popularly known as evo devo, for two years. Appearing in the December 2005 issue of Trends in Genetics, researchers find that the size and complexity of a species' genome is not an evolutionary adaptation per se, but can result as simply a consequence of a reduction in a species' effective population size.
A spoonful of sugar makes some kids feel good
It's no secret that children like sweet-tasting foods and beverages. It's also known that sweet taste acts as an analgesic in children, reducing their perception of pain. Now researchers at the Monell Chemical Senses Center report in the current issue of the journal Pain that the analgesic efficacy of sweet taste is influenced both by how much a child likes sweet taste and by the child's weight status.
See the ball, hit the ball
Athletes often say that when they are playing well – shooting hoops, hitting baseballs, catching passes – the ball appears bigger. Likewise, they say that when they are in a slump the ball appears smaller. When Mickey Mantle hit a 565-foot home run he said, "I just saw the ball as big as a grapefruit." But Joe "Ducky" Medwick of the St. Louis Cardinals said during a slump that he was "swinging at aspirins." Appearances may be reality, in a sense.
Parrot's behaviors mirror human mental disorders
The bird doing loop-the-loops in the cage and pulling out its feathers is not just playing and preening. Stress may cause these activities and also may provide insight into similar human behaviors, according to researchers.
Researchers show how air pollution can cause heart disease
New York University School of Medicine researchers provide some of the most compelling evidence yet that long-term exposure to air pollution--even at levels within federal standards--causes heart disease. Previous studies have linked air pollution to cardiovascular disease but until now it was poorly understood how pollution damaged the body's blood vessels.
Humans do not understand mirror reflections
Psychologists at the University of Liverpool have found that people still find it difficult to understand how mirrors work.
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| Quotes | By convention!
cussed Tom airily.
Cmon Scully... Itll be a nice trip through the woods-Fox Mulder
But what ... is it good for?
Engineer at IBM, 1968, commenting on the microchip.
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