ScienceDaily Health Headlines
for Thursday, March 3, 2011
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Blood protein in lung cancer could improve diagnosis and treatment (March 3, 2011) -- Scientists are reporting discovery of a protein in the blood of lung cancer patients that could be used in a test for the disease -- difficult to diagnose in its earliest and most treatable stages -- and to develop drugs that stop lung cancer from spreading. ... > full story
Women get short shrift in many heart device studies, despite requirement (March 3, 2011) -- Despite a longstanding requirement for medical device makers to include women in the studies they submit to the Food and Drug Administration for device approval, very few include enough women or separately analyze how the devices work in them. Devices may be on the market without adequate data on their safety and effectiveness in women. ... > full story
Rich and poor, UK youth are happy after all? (March 3, 2011) -- Young people in the UK are very satisfied with their lives with 70 per cent rating themselves as happy or very happy. The findings indicate there is little difference between the average life satisfaction score of those children living in the household with the bottom fifth income and those children living in households in the top fifth income bracket. ... > full story
How ovarian cancer resists chemotherapy (March 3, 2011) -- Researchers have zeroed in on a genetic process that may allow ovarian cancer to resist chemotherapy. ... > full story
How much can a cell uptake? (March 3, 2011) -- Immunological research has revealed a critical component in the "decision-making" process of white blood cells that play a role in the healing process from bacterial inflammation. ... > full story
Freedom to choose leisure activities benefits people with autism (March 3, 2011) -- Free time is not always a fun time for people with autism. Giving them the power to choose their own leisure activities during free time, however, can boost their enjoyment, as well as improve communication and social skills, according to an international team of researchers. ... > full story
Protein identified that serves as a switch in a key pathway of programmed cell death (March 2, 2011) -- Scientists have identified how cells flip a switch between cell survival and cell death that involves a protein called FLIP. ... > full story
Parents rationalize the economic cost of children by exaggerating their parental joy (March 2, 2011) -- Any parent can tell you that raising a child is emotionally and intellectually draining. Despite their tales of professional sacrifice, financial hardship, and declines in marital satisfaction, many parents continue to insist that their children are an essential source of happiness and fulfillment in their lives. A new study suggests that parents create rosy pictures of parental joy as a way to justify the huge investment that kids require. ... > full story
Protein's elusive role in embryo and disease development unravelled (March 2, 2011) -- Scientists have determined that a single protein called FADD controls multiple cell death pathways, a discovery that could lead to better, more targeted autoimmune disease and cancer drugs. ... > full story
Joint pain in children: Is it just a sore knee, or could it be juvenile idiopathic arthritis? (March 2, 2011) -- While lab tests and imaging can sometimes help diagnose juvenile idiopathic arthritis, a physical examination and thorough patient history are the most valuable tools in identifying this disease. ... > full story
Effectiveness of wastewater treatment may be damaged during a severe flu pandemic (March 2, 2011) -- Existing plans for antiviral and antibiotic use during a severe influenza pandemic could reduce wastewater treatment efficiency prior to discharge into receiving rivers, resulting in water quality deterioration at drinking water abstraction points, according to a new article. ... > full story
Amyotrophic lateral sclerosis (ALS) could be caused by a retrovirus, study suggests (March 2, 2011) -- A retrovirus that inserted itself into the human genome thousands of years ago may be responsible for some cases of the neurodegenerative disease amyotrophic lateral sclerosis (ALS), also known as Lou Gherig's disease. The finding may eventually give researchers a new way to attack this universally fatal condition. ... > full story
Researchers predict age of T cells to improve cancer treatment (March 2, 2011) -- The effectiveness of the cancer therapy known as adoptive T cell transfer is limited by the cells' finite lifespan. Researchers have now addressed this limitation by accurately predicting cell age and quality. Infusing only young functional cells into a patient should improve the therapeutic outcome. ... > full story
Hair dyeing poised for first major transformation in 150 years (March 2, 2011) -- Technological progress may be fast-paced in many fields, but one mundane area has been almost left in the doldrums for the last 150 years: The basic technology for permanently coloring hair. That's the conclusion of an analysis of almost 500 articles and patents on the chemistry of permanent hair dyeing, which foresees much more innovation in the years ahead, including longer lasting, more-natural-looking dyes and gene therapy to reverse the gray. ... > full story
Facing the Facebook mirror can boost self-esteem (March 2, 2011) -- A new study has found that Facebook can have a positive influence on the self-esteem of college students. ... > full story
Shift work may be associated with decreased risk of skin cancer (March 2, 2011) -- Melatonin is known to have cancer-protective properties, and shift work can induce desynchrony of the circadian system, reducing melatonin production. Shift work has been thought to have important health impacts, with evidence linking shift work to an increased risk of several cancers including breast, endometrial, prostate and colorectal, and non-Hodgkin lymphoma. In a recent study, researchers found that shift work may be associated with a reduced risk of skin cancer in women. ... > full story
Nitric oxide does not appear to improve treatment of sickle cell pain-attacks (March 2, 2011) -- Among patients with sickle cell disease, treatment of a vaso-occlusive crisis (characterized by episodes of severe pain) in the hospital with inhalation of nitric oxide gas for up to 3 days did not result in a shorter time to resolution of the pain, compared to patients who received placebo, according to a new study. ... > full story
Just like me: Online training helpers more effective when they resemble students (March 2, 2011) -- Opposites don't always attract. A new study shows that participants are happier -- and perform better -- when the electronic helpers used in online training programs resemble the participants themselves. ... > full story
New cell therapy a promising atherosclerosis treatment (March 2, 2011) -- Researchers have shown in a new study on mice, that cell therapy can be used to reverse the effect of "bad" LDL cholesterol and reduce the inflammation that leads to atherosclerosis. The new cell therapymcan open the way for new therapies for stroke and myocardial infarction if the results prove translatable to humans. ... > full story
Fluorescent peptides help nerves glow in surgery (March 2, 2011) -- Accidental damage to thin or buried nerves during surgery can have severe consequences, from chronic pain to permanent paralysis. Scientists may have found a remedy: injectable fluorescent peptides that cause hard-to-see peripheral nerves to glow, alerting surgeons to their location even before the nerves are encountered. ... > full story
HIV vaccine impacts the genetic makeup of the virus (March 2, 2011) -- An AIDS vaccine tested in people, but found to be ineffective, influenced the genetic makeup of the virus that slipped past. This is the first evidence that vaccine-induced cellular immune responses against HIV-1 infection exert selective pressure on the virus. The findings suggest new strategies for developing HIV vaccines that put selective pressure in a controlled manner that debilitates the virus and that avoids selecting for strains that can escape immune defenses. ... > full story
Head injury can blight survival up to 13 years later (March 2, 2011) -- A head injury can blight the chances of survival up to 13 years after the event, especially among younger adults, finds new research. ... > full story
Herbal teas may provide health benefits (March 2, 2011) -- Those who enjoy the caffeinated lift that comes from drinking traditional coffees and teas may tend to overlook the benefits of drinking herbal infusions. Now, the idea that herbal teas may provide a variety of health benefits is no longer just folklore. ... > full story
Tonsillectomy linked to excess weight gain in kids (March 2, 2011) -- Tonsillectomy is the most common major surgical procedure performed in children. Children who undergo the surgical removal of their tonsils (tonsillectomy), with or without the removal of their adenoids (adenoidectomy), are at increased risk for becoming overweight after surgery, according to new research. ... > full story
Scientists synthesize long-sought-after anticancer agent (March 2, 2011) -- Scientists have synthesized for the first time a chemical compound called lomaiviticin aglycon, leading to the development of a new class of molecules that appear to target and destroy cancer stem cells. ... > full story
Popular psychology theories on self-esteem not backed up by serious research, study finds (March 2, 2011) -- Low self-esteem is associated with a greater risk of mental health problems such as eating disorders and depression. From a public health perspective, it is important for staff in various health-related professions to know about self-esteem. However, there is a vast difference between the research-based knowledge on self-esteem and the simplified popular psychology theories that are disseminated through books and motivational talks, reveals new research from Sweden. ... > full story
Findings on pollution damage to human airways could yield new therapies (March 2, 2011) -- Researchers have identified how nanoparticles from diesel exhaust damage lung airway cells, a finding that could lead to new therapies for people susceptible to airway disease. The scientists also discovered that the severity of the injury depends on the genetic make-up of the affected individual. ... > full story
Biochemists offer first 3-D model of asthma-causing inflammation enzyme (March 2, 2011) -- Scientists have developed the first 3-D model of Human 5-Lipoxygenase, or 5-LOX, the molecule responsible for creating inflammatory compounds that provoke asthma. This model will serve as a target for the design of new, more effective asthma medication. ... > full story
Unemployment: A health risk (March 2, 2011) -- Compared to people in employment, men and women who are unemployed suffer more often and longer from both physical and emotional complaints. Why should the unemployed have more health problems? ... > full story
More than allergies: Histamine may be a possible drug target for multiple sclerosis (March 1, 2011) -- If you think histamines are your nemesis during allergy season, here's something that might change your perspective. New research shows that histamine could be an important molecule to developing new treatments for multiple sclerosis. In the study, the scientists analyzed the role of histamine in an animal model of multiple sclerosis and found that histamine plays a critical role in preventing MS or lessening its effects. ... > full story
Essential fatty acids pill prevents PMS, study suggests (March 1, 2011) -- A pill containing a mix of essential fatty acids has been shown to significantly reduce the symptoms of premenstrual syndrome. Researchers tested the tablets by carrying out a randomized, controlled trial in 120 women. ... > full story
Best friends can make a child more physically active (March 1, 2011) -- Boys and girls who take part in physical activity with their best friend in the neighborhood where they live have higher levels of physical activity, new research by academics in the UK have found. ... > full story
Signaling path in brain may prevent that 'I'm full' message (March 1, 2011) -- Researchers have identified a signaling pathway in the brain that's sufficient to induce cellular leptin resistance, a problem that decreases the body's ability to "hear" that it is full and should stop eating. ... > full story
Surgeons predict the future of nanomedicine in practice (March 1, 2011) -- A new review explores how nanotechnology may provide powerful new tools that could have a marked impact on the therapeutic and diagnostic measures available to surgeons. ... > full story
Higher job performance linked to people who are more honest and humble (March 1, 2011) -- The more honesty and humility an employee may have, the higher their job performance, as rated by the employees' supervisor. A new study that found the honesty-humility personality trait was a unique predictor of job performance. ... > full story
New CPR method increases survival rate by 50 percent, study suggests (March 1, 2011) -- A five-year clinical trial has led to a new method of cardiopulmonary resuscitation (CPR) that improves long-term survival rates with good brain function by 50 percent. ... > full story
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