ScienceDaily Top Science Headlines
for Friday, November 14, 2008
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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
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
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
New Device To Improve Transistor Quality (November 14, 2008) -- A new configurable chip which can correct faults in newly- manufactured transistors and can be implemented in mainstream devices such as mobile phones and computers, has been developed by engineers at the University of Southampton. ... > 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
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
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
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
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