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| Medicine articles |
Research shows brain's ability to evercome pain and thirst
Researchers at Melbourne's Howard Florey Institute have discovered how the brain prioritises pain and thirst in order to survive - a mechanism that helps elite athletes to 'push through the pain barrier'. The Florey's Dr Michael Farrell and colleagues discovered that pain sensitivity is enhanced when people are thirsty.
New study reveals consumer inclination to bias information in favor of market leader
A groundbreaking new study from the forthcoming issue of the Journal of Consumer Research explores a previously unexposed market phenomenon: the powerful influence of "leader-driven primacy" on consumer choice.
Brain changes significantly after age 18
Two Dartmouth researchers are one step closer to defining exactly when human maturity sets in. In a study aimed at identifying how and when a person's brain reaches adulthood, the scientists have learned that, anatomically, significant changes in brain structure continue after age 18.
Scientists find ability for grammar hardwired into humans
Researchers have long wondered why certain fundamental characteristics of grammar are present in all languages, and now a team of scientists at the University of Rochester has found evidence that these properties are built into the way our brains work.
Biologists show that what a neuron can do is a function of mechanical context
The brain as command center for bodily movement was too simple an idea, thought the Russian physiologist Nicolas Bernstein some 60 years ago. After studying human movements for years, Bernstein pointed out in 1940 that the great flexibility of the body, coupled with unexpected events in the world, meant that the nervous system had to prepare the body in advance for what might happen next.
Depression may be lifelong parent trap
A study by Florida State University professor Robin Simon and Vanderbilt University's Ranae Evenson found that parents have significantly higher levels of depression than adults who do not have children. Even more surprising, the symptoms of depression do not go away when the kids grow up and move out of the house.
Researchers assemble second non-human primate genome
A multi-center team has deposited the draft genome sequence of the rhesus macaque monkey into free public databases for use by the worldwide research community, the National Human Genome Research Institute (NHGRI), one of the National Institutes of Health (NIH), announced recently.
Facial characteristics indicative of personality traits
A new study to examine facial preference has found that people are attracted to facial characteristics indicative of personality traits similar to their own.
Baby got math
Cognitive neuroscientists have shown that babies have an abstract numerical sense, as demonstrated by their ability to match the number of voices they hear to the number of faces they expect to see.
Simple system predicts mortality of older americans with 81% accuracy
Researchers at the San Francisco VA Medical Center have created an index that is 81 percent accurate in predicting the likelihood of death within four years for people 50 and older.
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Study shows gratitude underlies social exchange and helping behaviour
Why do we repay favors? Because we know we should, or because we feel we should? The dominant psychological view has favored the former - we help others who have helped us because we know it is the socially acceptable action or norm. However, new research by Monica Bartlett and David DeSteno of Northeastern University suggests it may actually be the latter - we repay favors when and because we feel the emotion gratitude.
Deleting gene in brain cells mimics effects of antidepressants
Deleting a specific gene in particular cells in the brain has the same effect as antidepressants on mice conditioned to be depressed, according to researchers at The University of Texas Southwestern Medical Center at Dallas and Yale School of Medicine.
Research pinpoints brain molecule's role in developing addiction
A molecule in the brain essential for wakefulness and appetite has been found to play a central role in strengthening the neuron connections that lead to addiction. The discovery of how the neuropeptide orexin works at the molecular level makes it a strong new target for potential drugs to treat addiction, the researchers say.
Researchers find better way to deliver gene therapy
While gene therapy continues to be a promising area of medicine, a major drawback of this kind of treatment can spell failure for many patients enrolled in gene therapy clinical trials: Most people's immune systems may destroy the viral carrier that is most often used to deliver healthy genes into sick cells.
Research pinpoints brain molecule's role in developing addiction
Too old to learn new skills? By golly, think again. New research at the University of Illinois at Urbana-Champaign shows that training re-ignites key areas of the brain, offsetting some age-related declines and boosting performance.
New understanding of DNA repair
A mechanism by which genes are repaired has been described in detail for the first time. This new understanding may, in the long term, provide the scientific foundation upon which therapies to treat genetic diseases or cancers can be built.
Calcium, vitamin D don't prevent colorectal cancer
Daily calcium and vitamin D supplements do not lower the risk of colorectal cancer in postmenopausal women as previous studies had suggested, results of the national Women's Health Initiative (WHI) clinical trial have shown.
Genetic stress response may explain how bacteria resist drugs
Antibiotics are great, when they work. Unfortunately, bacteria have a nasty habit of developing resistance to even our most powerful pharmaceuticals. Now, by tracking the staph infection of a single patient during a course of antibiotic treatment, Rockefeller University scientists have discovered new clues to how bacteria evolve to be able to resist drugs.
Proteins are key to cell death in heart disease, stroke and degenerative conditions
Researchers at Yale School of Medicine have gained deeper understanding of two members of a family of proteins called caspases that play a key role in promoting apoptosis, a process in which the cell responds to external signals by essentially committing suicide.
New study into hormones' effect on the female voice
Researchers at the Universities of Sheffield and York are launching an investigation into the way hormones affect voice quality and how their influence could be controlled. The research team are looking for actresses, female teachers, broadcasters, and vocalists to take part in the study, which will aim to establish how to avoid the known problems of vocal hoarseness, severe vocal fatigue, and voice loss during critical phases of a woman's menstrual cycle.
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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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