Excess vitamin E intake not a health concern, study says
Despite concerns that have been expressed about possible health risks from high intake of vitamin E, a new review concludes that biological mechanisms exist to routinely eliminate excess levels of the...
View ArticleCancer cell metabolism kills
Adenosine-5'-triphosphate (ATP) is the main energy source for all forms of work inside our cells. Scientists from the University of Helsinki, Finland, have found that even a short-term shortage of ATP...
View ArticleConcert cacophony: Short-term hearing loss protective, not damaging
Contrary to conventional wisdom, short-term hearing loss after sustained exposure to loud noise does not reflect damage to our hearing: instead, it is the body's way to cope.
View Article'Comparison shopping' by doctors saves money
Research at Johns Hopkins suggests that if hospitals would show physicians the price of some diagnostic laboratory tests at the time the tests are ordered, doctors would order substantially fewer of...
View ArticleResearch sheds new light on traumatic brain injuries
Even a mild injury to the brain can have long lasting consequences, including increased risk of cognitive impairment later in life. While it is not yet known how brain injury increases risk for...
View ArticleScientists identify potential target to reduce progression of metastases
A team of researchers at the IRCM, led by Dr. Jean-François Côté, made an important discovery in breast cancer, which will published online this week by the scientific journal Proceedings of the...
View ArticleGene-expression signature may signify risk for recurrence, metastasis in...
A team led by Massachusetts General Hospital (MGH) researchers has identified a genetic signature that appears to reflect the risk of tumor recurrence or spread in men surgically treated for prostate...
View ArticleNo evidence drugs, vitamins, supplements help prevent cognitive decline in...
A review of published research has found no evidence that drugs, herbal products or vitamin supplements help prevent cognitive decline in healthy older adults.
View ArticleScientists learn what makes nerve cells so strong
How do nerve cells—which can each be up to three feet long in humans—keep from rupturing or falling apart?
View ArticleExercise may help people with Alzheimer's avoid nursing homes
(HealthDay)—Regular exercise slows disability and prevents falls in patients with Alzheimer's disease without increasing overall costs, a new study from Finland says.
View ArticleDrug could improve working memory of people with autism, study finds
People with an Autism Spectrum Disorder (ASD) often have trouble communicating and interacting with others because they process language, facial expressions and social cues differently. Previously,...
View ArticleStudy questions value of PSA test for older men
(HealthDay)—Only one-third of men over age 65 who receive an abnormal result from their PSA test actually undergo prostate biopsy to look for disease, a new study finds.
View ArticleGenetic variation contributes to pulmonary fibrosis risk
A newly published study of patients with pulmonary fibrosis has discovered multiple genetic variations that should help with future efforts to treat the disease.
View ArticleBrain development is guided by 'junk' DNA that isn't really junk
(Medical Xpress)—Specific DNA once dismissed as junk plays an important role in brain development and might be involved in several devastating neurological diseases, UC San Francisco scientists have...
View ArticleAutism model in mice linked with genetics
For the first time, researchers have linked autism in a mouse model of the disease with abnormalities in specific regions of the animals' chromosomes. The regions contain genes associated with aberrant...
View ArticleCongenitally absent optic chiasm: Making sense of visual pathways
(Medical Xpress)—One way to increase our understanding of bilateral brains, like our own, is to inspect their paired sensory systems. In our visual system, the optic nerves normally combine at a place...
View ArticleHigh heart rate at rest signals higher risk of death even in fit healthy people
A high heart rate (pulse) at rest is linked to a higher risk of death even in physically fit, healthy people, suggests research published online in the journal Heart.
View ArticleCholesterol increases risk of Alzheimer's and heart disease
Researchers at the Linda Crnic Institute for Down Syndrome and the University of Colorado School of Medicine have found that a single mechanism may underlie the damaging effect of cholesterol on the...
View ArticleHaiti cholera mutations could lead to more severe disease: Strain is evolving...
The cholera strain that transferred to Haiti in 2010 has multiple toxin gene mutations that may account for the severity of disease and is evolving to be more like an 1800s version of cholera, reports...
View ArticleResearchers identify pathway that may protect against cocaine addiction
(Medical Xpress)—A study by researchers at the National Institutes of Health gives insight into changes in the reward circuitry of the brain that may provide resistance against cocaine addiction....
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