Molecule Linked To Aggressive Cancer Growth And Spread Identified (November 14, 2008) -- Researchers have found a genetic marker that controls an enzyme present in aggressive and metastatic cancer. ... > full story
Differing Genetic Makeup Of Lung Cancer In African-American Patients Shown (November 14, 2008) -- The tumors of African-American non-small cell lung cancer patients are more likely to carry a higher number of copies of the epidermal growth factor receptor gene and fewer mutations of EGFR itself than Caucasians according to a new study. ... > full story
Risky Decision-making Essential To Entrepreneurialism, Scientists Conclude (November 14, 2008) -- Whether someone will become the next Richard Branson, Steve Jobs or Henry Ford may be down to whether they make risky decisions, scientists have concluded. ... > full story
Light Triggers New Code For Brain Cells (November 14, 2008) -- Brain cells can adopt a new chemical code in response to cues from the outside world. Dark tadpoles blanch when exposed to bright light. Cells in the tadpole brain respond to illumination by making dopamine, a neurotransmitter that is recognized by the system that controls pigmentation. The discovery opens the possibility that brain chemistry could be selectively altered by stimulating specific circuits to remedy low levels of neural chemicals that underlie some human ailments. ... > full story
Possible Link Between Diabetes And Pelvic Girdle Syndrome (November 14, 2008) -- Diabetes appears to be linked with an increased risk of pelvic girdle syndrome. A new study shows that five percent of women had serious pelvic girdle syndrome during their last pregnancy. Three percent reported that they had diabetes, while diabetes was seen in only 0.5 percent of women who had not had the syndrome. Women with diabetes had a seven times higher risk of severe pelvic girdle syndrome. ... > full story
Satellites Helping Aid Workers In Honduras (November 14, 2008) -- Humanitarian aid workers responding to devastating flooding in Honduras have received assistance from space, with satellite images of affected areas provided rapidly following activation of the International Charter on Space and Major Disasters. ... > full story
Proton Therapy And Concurrent Chemotherapy May Reduce Bone Marrow Toxicity In Advanced Lung Cancer (November 14, 2008) -- Patients treated for locally advanced nonsmall cell lung cancer who receive chemotherapy and proton beam therapy have fewer instances of bone marrow toxicity than patients who receive the standard treatment of intensity-modulated radiation and concurrent chemotherapy, according to researchers. ... > full story
Watching Television, Channeling Unhappiness? (November 14, 2008) -- Are happy or unhappy people more attracted to television? A new 30-year study shows unhappy people watch more TV, while happy people read more newspapers and socialize more. The relationship between happiness and television viewing becomes particularly noteworthy, since in theory, engaging in a highly enjoyable activity time like watching television should improve the quality of people's lives. ... > full story
Nanoparticles Trigger Cell Death? (November 13, 2008) -- Nanoparticles that are one milliard of a meter in size are widely used, for example, in cosmetics and food packaging materials. There are also significant amounts of nanoparticles in exhaust emissions. New findings give rise to concern that nanoparticles carry potential health hazards. ... > full story
Dalmatian Bladder Stones Caused By Gene That Regulates Uric Acid In Humans (November 13, 2008) -- A gene mutation that causes high levels of uric acid in all Dalmatian dogs and bladder stones in some Dalmatians, has been identified. The discovery equips dog breeders with the tools to eliminate that trait from the Dalmatian breed and yields clues to the cause of similar problems in humans. ... > full story
Eye Conditions Linked With Obstructive Sleep Apnea (November 13, 2008) -- Numerous studies have shown a connection between sleep disorders and medical conditions such as cardiovascular disease, cerebrovascular disease, and metabolic disorders, including the risk of obesity and diabetes mellitus. ... > full story
High Temperatures Decrease Antifungal Properties Of Contact Solution (November 13, 2008) -- Exposure to prolonged temperature elevation reduces antifungal activity of a contact lens solution that was implicated in the epidemic of the eye infection Fusarium keratitis that occurred between 2004 and 2006, according to a new article. ... > full story
Sweepstakes Are For The Lucky, Not Every Customer, Researchers Say (November 13, 2008) -- Using a test that probed consumers' beliefs in luck, researchers investigated the question of who the best prospects are for "lucky draw" in their article appearing in the journal Psychology & Marketing. ... > full story
Protein Identified That Turns Off HIV-fighting T Cells (November 13, 2008) -- In HIV-infected patients, the body's immune system is unable to fight off the virus. A new study shows that T cells in HIV-infected individuals express a protein called TIM-3, which inactivates their virus killing capacity. Blocking this protein, the study suggests, might one day help patients to eliminate HIV as well as other chronic infections. ... > full story
Epstein-Barr Virus Associated With Inflammatory Diseases Of The Mouth (November 13, 2008) -- Researchers have found that a significant percentage of dental patients with the inflammatory diseases irreversible pulpitis and apical periodontitis also have the Epstein-Barr virus. The Epstein-Barr virus is an important human pathogen found in more than 90 percent of the world population. It is associated with many diseases, including infectious mononucleosis, malignant lymphomas and naspharyngeal carcinoma. ... > full story
Those Were The Days: Counteracting Loneliness With Nostalgia (November 13, 2008) -- All of us are struck with nostalgic feelings from time to time but a new study indicates that nostalgia may serve a greater purpose than just taking us back to the good old days. The results showed that individuals who felt the loneliest turned out to be the most nostalgic. The findings suggest that nostalgia amplifies perceptions of social support, and in this way, counteracts feelings of loneliness. ... > full story
Brain Implants May Help Stroke Patients Overcome Partial Paralysis (November 13, 2008) -- Scientists have shown for the first time that neuroprosthetic brain implants may be able to help stroke patients with partial paralysis. ... > full story
U.S. 'Super Bugs' Invading South America (November 13, 2008) -- Two clones of highly antibiotic-resistant organism strains, which previously had only been identified in the United States, are now causing serious sickness and death in several Colombian cities including the capital Bogotá, according to an article in the New England Journal of Medicine. ... > full story
Sex Differences Narrow In Death After Heart Attack, Study Shows (November 13, 2008) -- In recent years, women, particularly younger women, experienced larger improvements in hospital mortality after myocardial infarction than men, according to a new study. ... > full story
Arsenic-free Water Provides Hope To Millions Of People In South East Asia (November 13, 2008) -- A new technology could provide safe drinking water for over 70 million people in South East Asia. The joint collaboration has resulted in the world's first low-cost technology to provide arsenic-free water to people in India and surrounding countries. ... > full story
Decisions, Decisions: Feedback Influences Decision Making (November 13, 2008) -- Numerous studies have shown that people will choose differently, depending on whether they are choosing based on experience or description. But, what is it that causes people to choose differently in the two situations? The results of a new study suggest that feedback plays a key role in decision making. The findings indicate that feedback after repeated choice may drive people towards rational decision making. ... > full story
Large Waist Can Almost Double Your Risk Of Premature Death, Says Europe-wide Study (November 13, 2008) -- Having a large waistline can almost double your risk of dying prematurely even if your body mass index is within the 'normal' range, according to a new study of over 350,000 people across Europe. ... > full story
Relative Risk Of Brain Cancer: Tell Your Doctor If Tumors Run In The Family (November 13, 2008) -- Doctors know that you're at a higher risk for breast, colon and prostate cancers if they've been found in your family. Brain cancer can now be placed on that same list, says a new study by Tel Aviv University and the University of Utah. ... > full story
Vest Monitors Show Air Pollution Is Dangerous Indoors And Out (November 13, 2008) -- Personal and community exposure to air pollution have significant, although differing adverse effects on heart health. A novel study included pollution-monitoring vests to measure personal levels of pollution exposure. Personal pollution exposure was linked with increased blood pressure and impaired blood vessel function within two days. Globally, air pollution is the 13th leading cause of death. ... > full story
Placebo Acupuncture Is Associated With Higher Pregnancy Rate After IVF Than Real Acupuncture (November 13, 2008) -- A study comparing the effects of real and placebo acupuncture on pregnancy rates during assisted reproduction has found that, surprisingly, placebo acupuncture was associated with a significantly higher overall pregnancy rate than real acupuncture. The study is published in Human Reproduction journal. ... > full story
Treating Heart Failure With A Gas (November 13, 2008) -- At low concentrations, the toxic gas hydrogen sulfide protects the hearts of mice from heart failure, scientists have found. The research suggests that doctors could use hydrogen sulfide to treat humans with heart failure. ... > full story
Past Gains In Reducing Risk Of Heart Disease Have Flattened, Women Especially Affected (November 13, 2008) -- The positive US health trend documented over the past 30 years of reduction in risk for heart disease is not as strong as is widely perceived and, in fact, the trend has flattened, according to a new analysis of national data by Mayo Clinic. ... > full story
Chronic Pain Might Contribute To Suicidal Thoughts (November 13, 2008) -- New research suggests that patients with chronic pain are more prone than others are to consider suicide. The increased risk remained even when study authors took the possible influence of mental illness into account. ... > full story
Gender Matching Aids Long-term Survival After Heart Transplants (November 13, 2008) -- Men who received heart transplants from a male donor and women who had female donors had lower chances of death than patients who received a transplant from the opposite sex, according to a new 10-year study. Pairing female patients with male donors had the greatest risk for death during the study. Researchers said heart size and perhaps differences in the immune system explain the correlation. ... > full story
Heating Heart With Catheter Works Better Than Drugs For Heart Rhythm Disorder, Study Shows (November 13, 2008) -- Treating a common heart rhythm disorder by burning heart tissue with a catheter works dramatically better than drug treatments, a major international study has found. One year after undergoing a treatment called catheter ablation, 75 percent of patients with an irregular heartbeat called atrial fibrillation were free of symptoms. By comparison, only 21 percent of those treated with drugs were symptom-free. Results were so convincing the trial was halted early. ... > full story
Only One In Eight Educational Television Programs For Children Is Of High Quality, Study Shows (November 13, 2008) -- A new study shows that only one in eight children's education TV programs meet high quality standards. Commercial television broadcasters in the U.S. are required by law to air a minimum of three hours per week of children's educational programming. Most programs designated as educational offer only limited educational value for child viewers. ... > full story
New Technique To Study The Genetics Of Breast Cancer (November 13, 2008) -- A new technique to study genetic changes that can lead to breast cancer could be one step closer. ... > full story
Steps To Block Key Enzyme Action In Heart Failure Mapped (November 13, 2008) -- Taking a cue from the way drugs like Viagra put the biological brakes on a key enzyme involved in heart failure, scientists have mapped out a key chemical step involved in blocking the enzyme. ... > full story
Molecular Clipping Mechanism Confirmed Behind Stem Cell Development (November 13, 2008) -- Stem cells don't just become a part of the liver or the brain in a flash; it takes a complex molecular choreography and requires that specific genes be switched on and off at specific times. Some of these genes are regulated through a process by which proteins in the cell nucleus, called histones, are chemically modified by small "chemical marks" such as acetyl or methyl groups. ... > full story
U.S. Gets A 'D' As March Of Dimes Releases Premature Birth Report Card (November 13, 2008) -- In the first Premature Birth Report Card, the United States received a "D" and no U.S. state earned an "A," when the March of Dimes compared preterm birth rates to Healthy People 2010 objectives. Premature birth affects more than 530,000 babies annually in the United States. Premature birth is the leading cause of newborn death and lifelong disability. ... > full story
Overnight Hemodialysis Dramatically Improves Survival, Study Shows (November 13, 2008) -- For hemodialysis patients, undergoing dialysis for eight hours overnight, three times weekly, reduces the risk of death by nearly 80 percent, compared to conventional, four-hour dialysis, according to new research. ... > full story
Wide Variability In Rheumatoid Arthritis Drug Suggests Alternative Dosing Should Be Considered (November 13, 2008) -- Methotrexate is commonly used to treat rheumatoid arthritis and is suggested as the "anchor" drug in treating the disease. Despite its widespread use, the understanding of its mechanism of action and pharmacokinetics is limited. ... > full story
No Drop In IQ Seen After Bypass For Child Heart Surgery (November 13, 2008) -- The use of cardiopulmonary bypass does not cause short-term neurological problems in children and teenagers after surgery for less complex heart defects, according to pediatric researchers. The new finding contrasts favorably with previous studies that showed adverse neurological effects after newborn surgery for more complex heart conditions. ... > full story
Low Potassium Linked To High Blood Pressure (November 12, 2008) -- As a risk factor for high blood pressure, low levels of potassium in the diet may be as important as high levels of sodium -- especially among African-Americans, according to new research. ... > full story
Primary Insomnia Linked To Neurochemical Abnormality In Young And Middle-aged Adults (November 12, 2008) -- A new study in the journal Sleep is the first demonstration of a specific neurochemical abnormality in adults with primary insomnia, providing greater insight to the limited understanding of the condition's pathology. ... > full story
Computerized Carer Lessens Dementia Load (November 12, 2008) -- An artificial intelligence coaching system has been developed that will help carers of older adults with moderate dementia. The COACH system uses a camera and computer to deliver interactive advice -- lessening the workload on often-overburdened carers. ... > full story
Mandatory HPV Vaccination Is Unwarranted And Unwise, According to Experts (November 12, 2008) -- A new article in the Journal of Law, Medicine & Ethics suggests that it is premature for states to currently mandate the HPV vaccine as a condition for school attendance. Gardasil is relatively new and long-term safety and effectiveness in the general population is unknown, experts point out. ... > full story
Molecule That Stops SARS Invented (November 12, 2008) -- A newly created compound prevents the replication of the virus that causes SARS and could lead to a treatment for the disease. In addition to its ability to block the SARS virus, the molecular compound that inhibits the virus provides new insights into a group of proteins found in a range of diseases including childhood croup, herpes and cancer. ... > full story
Tumors Grow Faster Without Blood-supply Promoting Molecule (November 12, 2008) -- Dense networks of blood vessels thought to spur cancer's growth could actually hinder rather than promote tumor progression. The findings partly explain why drugs designed to treat cancer by strangling its blood supply have been disappointing when used alone and why those treatments are more effective when combined with traditional chemotherapy. Despite their rapid progression, tumors fed by more normal vascular were also more vulnerable to the effects of standard chemotherapy drugs. ... > full story
Hip Resurfacing Is Not For Everyone, Study Suggests (November 12, 2008) -- Hip resurfacing is often seen as a modern alternative to the more conventional total hip replacement, but new data suggest that a patient's age and gender are key to the operation's success. ... > full story
Certain Types Of Thinking Are Best Suited To Certain Types Of Problem-solving (November 12, 2008) -- Geometry problems are best solved by a combination of verbal and spatial strategies, but not shape-based imagery strategies. ... > full story
Blood-brain Barrier Disarmed In Rodents: Hormone Shows Promise In Reversing Alzheimer's Disease And Stroke (November 12, 2008) -- Researchers have disarmed the blood-brain barrier sentry that keeps a potential treatment for stroke and Alzheimer's disease from getting into the brain. The brain is protected by the blood-brain barrier (BBB), a gate-keeping system of cells that lets in nutrients and keeps out foreign substances. The blood-brain barrier passes no judgment on which foreign substances are trying to get into the brain to treat diseases and which are trying to do harm, so it blocks them without discrimination. ... > full story
Rheumatoid Arthritis Breakthrough (November 12, 2008) -- Rheumatoid arthritis is a painful, inflammatory type of arthritis that occurs when the body's immune system attacks itself. A new article in PLoS Biology, reports a breakthrough in the understanding of how autoimmune responses can be controlled, offering a promising new strategy for therapy development for rheumatoid arthritis. ... > full story
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