ScienceDaily Health Headlines
for Monday, May 16, 2011
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Gene expression changes in nasal cells may help identify lung cancer in earliest stages (May 16, 2011) -- A simple, minimally-invasive technique using cells from the interior of the nose could help clinicians detect lung cancer in its earliest -- and most treatable -- stages, according to a new study. ... > full story
Study reveals origins of a cancer affecting the blood and bone marrow (May 16, 2011) -- A new study sheds light on the origins of myeloid leukemia, a type of blood cancer that affects children and adults. The researchers discovered that novel mutations in an intracellular communication pathway called Notch led to the cancer, pointing to a potential new target for treating this disease. ... > full story
Getting along with co-workers may prolong life: But support from the boss has no effect on mortality (May 16, 2011) -- People who have a good peer support system at work may live longer than people who don't have such a support system, according to new research. ... > full story
New class of compounds discovered with great potential for research and drug development (May 16, 2011) -- Scientists from the Scripps Research Institute have identified a class of compounds that could be a boon to basic research and drug discovery. ... > full story
Synthetic mesh can improve outcome of prolapse surgery (May 16, 2011) -- A Nordic multicentre study shows that pelvic organ prolapse surgery using synthetic mesh can be more effective than traditional surgery. The advantages indicated by the study mainly concern restored genital anatomy and more efficient symptom relief, although there is an associated greater risk of complications. ... > full story
Palliative care patients benefit from unique music therapy project (May 16, 2011) -- A new study demonstrates the benefits of music therapy. The findings are based on a unique collaboration between university music therapy students, musicians from a professional symphony orchestra and a hospital palliative care ward. ... > full story
Potential for solution to baldness? Surprising clues about communication in hair stem cell populations (May 15, 2011) -- In one of the first studies to look at the population behavior of a large pool of stem cells in thousands of hair follicles -- as opposed to the stem cell of a single hair follicle -- scientists deciphered how hair stem cells in mice and rabbits can communicate with each other and encourage mutually coordinated regeneration. ... > full story
Heart failure patients' osteoporosis often undiagnosed, untreated (May 15, 2011) -- One in 10 heart failure patients had compression fractures in the spine that could have been detected by a chest X-ray, but few are receiving treatment to help prevent such fractures, according to a Canadian study. ... > full story
For hearing parts of brain, deafness reorganizes sensory inputs, not behavioral function (May 15, 2011) -- The part of the brain that uses hearing to determine sound location is reorganized in deaf animals to locate visual targets, according to a new study. ... > full story
Zebrafish models identify high-risk genetic features in leukemia patients (May 15, 2011) -- Researchers working with zebrafish have identified previously undiscovered high-risk genetic features in T-cell acute lymphocytic leukemia. ... > full story
Vitamins may one day hitch a protected ride on corn starch (May 15, 2011) -- Vitamins and medications may one day take rides on starch compounds creating stable vitamin-enriched ingredients and cheaper controlled-release drugs, according to food scientists. ... > full story
Electronic cigarettes hold promise as aid to quitting, study finds (May 15, 2011) -- Researchers report that electronic cigarettes are a promising tool to help smokers quit, producing six-month abstinence rates nearly double those for traditional nicotine replacement products. ... > full story
Most at-risk patients don't adhere to statin treatment, despite real benefits (May 15, 2011) -- The vast majority of patients at high risk for heart disease or stroke do a poor job of taking statins as prescribed, a new study suggests. That's especially unfortunate, because the same study shows that taking statins can significantly increase the quality and length of those patients' lives. ... > full story
Patient reports of relatives' cancer history often not accurate (May 15, 2011) -- Doctors often rely on a patient's knowledge of family medical history to estimate his or her risk of cancer. However, patient reports of family cancer history are not highly accurate, according to a new study. ... > full story
Two defective proteins conspire to impair nerve cell's 'powerhouse' in Alzheimer's disease (May 14, 2011) -- Two proteins that are abnormally modified in the brains of patients with Alzheimer disease collude, resulting in ill effects on the crucial energy centers of brain cells, according to new findings. ... > full story
Protein responsible for the detection of extreme heat and pain discovered (May 14, 2011) -- The protein responsible for the detection of extreme heat and pain resulting from infections has been identified. The protein is a promising target for the development of new analgesic medications. ... > full story
Teens use peers as gauge in search for autonomy, and consistently assume others have more freedoms than they do (May 14, 2011) -- Two new studies find that teens' perceptions of peer freedom predicted their own desired levels of autonomy, and that teens consistently overestimated the actual levels of their peers' autonomy, assuming that others had more freedoms than they did. The first study looked at 500 youths in 6th through 9th grades and in 12th grade; the second followed up on the 6th and 7th graders a year later, when they were in 7th and 8th grades. ... > full story
New pathway affecting lifespan identified: Discovery advances study of diet and longevity (May 14, 2011) -- A research team has identified a new role for a biological pathway that not only signals the body's metabolic response to nutritional changes, but also affects lifespan. ... > full story
Scientists design new anti-flu virus proteins using computational methods (May 14, 2011) -- Scientists have demonstrated the use of computational methods to design new antiviral proteins not found in nature, but capable of targeting specific surfaces of flu virus molecules. Such designer proteins may have diagnostic and therapeutic potential in identifying and fighting viral infections. The researchers created a protein that disabled the part of the 1918 pandemic flu virus involved in invading respiratory tract cells. It did so by preventing segment from reconfiguring. This same protein also disabled a similar section of an avian flu virus. ... > full story
Increase in Internet access parallels growth in prescription drug abuse (May 14, 2011) -- Increasing access to rogue online pharmacies that dispense medications without a doctor's prescription may be an important factor behind the rapid increase in the abuse of prescription drugs. U.S. states with the greatest expansion in high-speed Internet access from 2000 to 2007 also had the largest increase in admissions for treatment of prescription drug abuse. ... > full story
Stem cells from bone marrow may help treat acute lung injury (May 13, 2011) -- New research investigates the therapeutic use of human stem cells from bone marrow against acute lung injury and identifies TNF-alpha-induced protein 6 as a major molecular component of stem cell action. ... > full story
Do you fear ... now that Friday the 13th is here? (May 13, 2011) -- If you are one of those who carries around a rabbit's foot and strokes it all day long for good luck or makes a wish after blowing away a fallen eyelash -- then you are probably in the midst of bolting your doors, turning on all the lights and hiding under the comforting warmth of your comforter. Today just so happens to be Friday the 13th and if you have friggatriskaidekaphobia -- it's simply not a day to be trifled with. ... > full story
Vulnerability to nicotine addiction appears to have a genetic basis, study suggests (May 13, 2011) -- A person's vulnerability to nicotine addiction appears to have a genetic basis, at least in part. A region in the midbrain called the habenula (from Latin: small reins) plays a key role in this process. Researchers have also shed light on the mechanism that underlies addiction to nicotine. ... > full story
Assessing the risks of wireless and mobile phone radiation more accurately (May 13, 2011) -- Electromagnetic fields and radiation produced by radio antennae or mobile phones can influence biological processes -- for instance, electrical brain activity during sleep, as researchers in Switzerland have shown. However, they have not been able to establish any links between everyday exposure to radiation and health problems. ... > full story
Digestive problems early in life may increase risk for depression, study suggests (May 13, 2011) -- Depression and anxiety may result from short-term digestive irritation early in life, according to a study of laboratory rats by researchers. ... > full story
As time goes by, it gets tougher to remember new information (May 13, 2011) -- The older we get, the more difficulty we seem to have remembering things. We reassure ourselves that our brains' "hard drives" are too full to handle the new information that comes in daily. But a neuroscientist now suggests that our aging brains are unable to process this information as "new" because the brain pathways leading to the hippocampus become degraded over time. As a result, our brains cannot accurately "file" new information. ... > full story
Protein might be key to cutting cancer cells' blood supply (May 13, 2011) -- Researchers have discovered a protein that guides blood vessel development and eventually might lead to a treatment to keep cancer cells from spreading. ... > full story
New gene that causes intellectual disability identified (May 13, 2011) -- A new study has found a gene connected with a type of intellectual disability called Joubert syndrome. Scientists have identified this gene that, when defective, leads to Joubert syndrome. ... > full story
Take control of a wheelchair with a steady jaw and a wink (May 13, 2011) -- For people with severe physical disabilities, such as spinal cord injury, quadriplegia and hemiplegia or amputation, current technology for controlling a wheelchair or mobility scooter is wholly inadequate. A research article now shows how an inexpensive webcam and a bio-signal sensing headband can be used to control the steering and propulsion of an electric wheelchair. ... > full story
Marriage problems predict sleep difficulties in young children (May 13, 2011) -- A new study of more than 350 families has found that instability in the parents' relationship when the children are 9 months old predicted difficulties falling asleep and staying asleep when they were 18 months old. The findings suggest that the effects of marital instability on children's sleep problems emerge earlier in development than has been demonstrated previously. ... > full story
Irritable bowel syndrome: Common gastrointestinal disorder linked to bacterial overgrowth, food poisoning (May 13, 2011) -- Researchers have reported two advances in the understanding of irritable bowel syndrome, the most common gastrointestinal disorder in the United States, affecting an estimated 30 million people. One study provides further evidence that IBS is linked to an overgrowth of bacteria in the gut. In a separate study, a mathematical model reveals the disease's link to food poisoning and shows that military personnel are at a much higher risk for the disorder than the rest of the population. ... > full story
15 eggs is the perfect number needed to achieve a live birth after IVF, study suggests (May 13, 2011) -- An analysis of over 400,000 IVF cycles in the UK has shown that doctors should aim to retrieve around 15 eggs from a woman's ovaries in a single cycle in order to have the best chance of achieving a live birth after assisted reproduction technology. ... > full story
How adversity dulls our perceptions (May 13, 2011) -- Perceptions learned in an aversive context are not as sharp as those learned in other circumstances, new research suggests. ... > full story
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