ScienceDaily Health Headlines
for Thursday, April 14, 2011
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Experimental treatment for COPD in development (April 14, 2011) -- Researchers have developed a non-steroid based strategy for improving the lung's innate immune defense and decreasing inflammation that can be a problem for patients with chronic obstructive pulmonary disease (COPD). In a study, researchers targeted the Nrf2 pathway using sulforaphane, an ingredient that is present in broccoli in a precursor form, to enhance the Nrf2 pathway in the lung that mediates the uptake of bacteria. ... > full story
Increase in deaths in men with type 2 diabetes and testosterone deficiency may be prevented by testosterone replacement, study suggests (April 14, 2011) -- A new study on men with type 2 diabetes shows that those with low levels of testosterone may die sooner unless they are given testosterone replacement therapy. ... > full story
A judge's willingness to grant parole can be influenced by breaks (April 14, 2011) -- A judge's willingness to grant parole can be influenced by the time between their latest break and their current hearing. ... > full story
Possible new approach to treating deadly leukemia in babies (April 14, 2011) -- A new study points to a promising new approach to treating an aggressive and usually fatal leukemia in babies. The study involved a type of leukemia called mixed lineage leukemia, or MLL. Only 25 to 50 percent of babies diagnosed with MLL leukemia survive the disease. ... > full story
Comprehensive study reveals patterns in firefighter fatalities (April 14, 2011) -- Researchers found that cultural factors in the work environment that promote getting the job done as quickly as possible with whatever resources available lead to an increase in line-of-duty firefighter fatalities. ... > full story
Stillbirths: The invisible public health problem (April 14, 2011) -- Some 2.6 million third trimester stillbirths worldwide occur every year, according to the first comprehensive set of stillbirth estimates. ... > full story
Multiple sclerosis: Risk factors in children (April 13, 2011) -- A new study identifies a particular gene involved in the immune response that puts certain children at a higher risk of developing multiple sclerosis. ... > full story
HIV rate in San Francisco could be cut sharply with expanded treatment, study predicts (April 13, 2011) -- If HIV-infected adults in San Francisco began taking antiretroviral treatments as soon as they were diagnosed, the rate of new HIV infections among men who have sex with men would be cut by almost 60 percent over five years, according to a new study. ... > full story
Short-term, high-fat diet may initiate protection during heart attack (April 13, 2011) -- A new study shows that short-term, high-fat "splurges" within one's diet could elicit cardioprotective properties during a heart attack. ... > full story
Treatment found for rare lung disease, study suggests (April 13, 2011) -- A new study has revealed a drug approved to prevent rejection in organ transplant patients helped treat a rare lung disease in women. ... > full story
Cultural differences are evident deep in the brain of Caucasian and Asian people (April 13, 2011) -- People in different cultures make different assumptions about the people around them, according to a new study. The researchers studied the brain waves of people with Caucasian and Asian backgrounds and found that cultural differences in how we think about other people are embedded deep in our minds. Cultural differences are evident very deep in the brain, challenging a commonsense notion that culture is skin deep. ... > full story
Neurosurgeons test new device for placing brain implants (April 13, 2011) -- A new MRI device that guides surgeons as they implant electrodes into the brains of people with Parkinson's disease and other neurological disorders could change the way this surgery, called deep brain stimulation, is performed. ... > full story
New drug shows potential for treatment-resistant leukemia (April 13, 2011) -- Researchers have found a novel drug that shows promise for treating leukemia patients who have few other options because their disease has developed resistance to standard treatment. The study is the first published report showing that the drug, DCC-2036, fights chronic myeloid leukemia (CML) in a mouse model of the disease and is effective against human leukemia cells. ... > full story
Men fuel rebound in plastic surgery: Sizeable increases in facelifts and other surgical procedures for men (April 13, 2011) -- New research shows that more men are now going under the knife to look good. Overall cosmetic plastic surgery procedures in men were up 2 percent in 2010 compared to 2009. The new statistics show that many male surgical procedures increased significantly. Facelifts for men rose 14 percent in 2010 while male liposuction increased 7 percent. ... > full story
Weight loss improves memory, according to researchers (April 13, 2011) -- Scientists have discovered a link between weight loss and improved memory and concentration. The study shows that bariatric surgery patients exhibited improved memory function 12 weeks after their operations. ... > full story
Psychologists closing in on causes of claustrophobic fear (April 13, 2011) -- We all move around in a protective bubble of "near space," more commonly known as "personal space." But not everyone's bubble is the same size. People who project their personal space too far beyond their bodies, or the norm of arm's reach, are more likely to experience claustrophobic fear, a new study finds. The study is one of the first to focus on the perceptual mechanisms of claustrophobic fear. ... > full story
New compounds show promise against hepatitis C infection (April 13, 2011) -- Two bioflavonoids, catechin and naringenin, have displayed antiviral activity on tissue culture infected with Hepatitis C. ... > full story
Heart disease risk factors linked to some cognitive decline (April 13, 2011) -- Older adults at risk for stroke have significantly increased risk for some types of cognitive decline, according to a multicenter study. ... > full story
Smokers believe 'silver', 'gold' and 'slim' cigarettes are less harmful (April 13, 2011) -- Despite current prohibitions on the words 'light' and 'mild', smokers in Western countries continue falsely to believe that some cigarette brands may be less harmful than others. ... > full story
New target for developing effective anti-depressants (April 13, 2011) -- For the first time in a human model, scientists have discovered how anti-depressants make new brain cells. This means that researchers can now develop better and more efficient drugs to combat depression. ... > full story
Tool predicts disability timeline for progressive multiple sclerosis patients (April 13, 2011) -- Many patients with progressive multiple sclerosis (MS) worry how quickly the disease will progress. Now, by noting the presence of certain markers in a commonly performed diagnostic test, researchers can predict whether patients will suffer a faster onset of disability and counsel them to help ease anxiety. ... > full story
Media's focus on ideal body shape can boost women's body satisfaction, for a while (April 13, 2011) -- When researchers had college-age women view magazines for five straight days that only included images of women with thin, idealized body types, something surprising happened: the readers' own body satisfaction improved. But the boost in body image came with a catch. Those women whose body satisfaction improved the most also were more likely to report that they engaged in dieting behaviors such as skipping meals or cutting carbohydrates during the course of the study. ... > full story
First comprehensive gene map of the human brain: More than 90 percent similarity among humans (April 13, 2011) -- Researchers have released the world's first anatomically and genomically comprehensive human brain map, a previously unthinkable feat made possible through leading-edge technology and more than four years of rigorous studies and documentation. ... > full story
Radiation at time of lumpectomy may offer faster, more precise treatment for breast cancer patients, experts say (April 13, 2011) -- Physicians are currently utilizing a new treatment option for breast cancer that allows women to receive a full dose of radiation therapy during breast conserving surgery. Traditionally, women who opt to have a lumpectomy must first have surgery then undergo approximately six weeks of radiation. This schedule can be challenging for women who have busy schedules or do not have access to a center offering radiation therapy. In some cases, the demanding schedule causes women to not comply with the recommended course of treatment, increasing their risk for cancer recurrence. ... > full story
Scientists explore new link between genetics, alcoholism and the brain (April 13, 2011) -- Researchers have uncovered a new link between genetic variations associated with alcoholism, impulsive behavior and a region of the brain involved in craving and anxiety. ... > full story
Obesity may shut down circadian clock in the cardiovascular system (April 13, 2011) -- Researchers have found that a key gene clock of the cardiovascular system does not work properly when obesity is present. The findings are believed to be the first of their kind. ... > full story
Loss of cell adhesion protein drives esophageal and oral cancers in mice (April 13, 2011) -- There are over 650,000 cases of oral cancer each year, and esophageal cancer represents the sixth most common cause of cancer death in men. Research has shown that a protein that helps cells stick together is frequently absent or out of place in these cancers, but it's unclear if its loss causes the tumors. The investigators report that mice engineered to lack this protein, called p120-catenin, in the oral-upper digestive tract develop squamous cell cancers. ... > full story
When the pressure is on, product experts can get facts wrong (April 13, 2011) -- Buying a new car, camera or computer? New research shows that seeking advice from expert acquaintances to choose between models of merchandise might not always be good idea. ... > full story
Parkinson's disease: Investigational drug may reduce involuntary movements (April 12, 2011) -- Results of the first randomized, placebo-controlled long-term clinical trial show the investigational drug safinamide may reduce dyskinesia or involuntary movements in mid-to-late stage Parkinson's disease. ... > full story
Distribution of cancers in the HIV/AIDS population is shifting (April 12, 2011) -- As treatments for HIV/AIDS improve and patients are living longer, the distribution of cancers in this population has undergone a dramatic shift in the United States. While cases of the types of cancer that have been associated with AIDS progression have decreased, cases of other types of cancer are on the rise. ... > full story
Public relatively unconcerned about nanotechnology risks (April 12, 2011) -- A new study finds that the general public thinks getting a suntan poses a greater public health risk than nanotechnology or other nanoparticle applications. The study compared survey respondents' perceived risk of nanoparticles with 23 other public-health risks. ... > full story
Psychologists say well-being is more than 'happiness' (April 12, 2011) -- Well-being amounts to more than mere happiness, and involves a wide range of personal and social domains, new research suggests. Psychologists say that positive relationships and a sense of meaning and purpose in life are crucial to genuine well-being. ... > full story
Moderate exercise dramatically improves brain blood flow in elderly women (April 12, 2011) -- It's never too late for women to reap the benefits of moderate aerobic exercise. In a three-month study of 16 women age 60 and older, brisk walking for 30-50 minutes three or four times per week improved blood flow through to the brain as much as 15 percent. ... > full story
Evidence lacking for efficacy of memantine in treating mild Alzheimer's disease, study finds (April 12, 2011) -- An analysis of studies involving the drug memantine finds a lack of evidence for benefit when the drug is used to treat patients with mild Alzheimer disease and mild cognitive impairment, according to a new study. ... > full story
Maternal stress during pregnancy may affect child's obesity (April 12, 2011) -- A new study suggests a mother's nutritional or psychological stress during pregnancy and lactation may create a signature on her child's genes that put the child at increased risk for obesity later in life, especially if the child is female. ... > full story
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