ScienceDaily Health Headlines
for Tuesday, June 7, 2011
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Testosterone therapy improves memory in postmenopausal women, preliminary study finds (June 7, 2011) -- Post-menopausal women have better memory after daily treatment with a testosterone spray for six months, a new preliminary study finds. ... > full story
Intravenous nutrition in critically ill patients should be delayed, study finds (June 7, 2011) -- Patients in the intensive care unit who do not tolerate adequate nutrition from tube feeding should wait a week before receiving intravenous (IV) feeding because, compared with early IV feeding, it enhances recovery from critical illness, according to results of a new multicenter study from Belgium. ... > full story
Expertise provides buffer against bias in making judgments, study finds (June 7, 2011) -- Scientists have demonstrated through behavioral research and brain scans using functional MRI (fMRI) that monetary favors can influence people's assessments of art works, but not if the viewer is an art expert. ... > full story
Removal of a tiny RNA molecule can inhibit cancer growth, researchers discover (June 7, 2011) -- Removing a tiny RNA molecule in mice has been found to suppress carcinogenic tumor formation. Researchers discovered that the removal of a non-coding RNA molecule known as MicroRNA 21 suppressed the formation of skin tumors in mice. This molecule -- abbreviated as miR-21 -- was targeted for study because of its presence in human cancer formation. ... > full story
Desserts with a low glycemic index may benefit weight-loss efforts for obese children (June 7, 2011) -- Overweight girls lose more weight and can better stay on a healthy diet if they eat sugar-free, low-fat desserts several times weekly, as opposed to any dessert once a week, a new study finds. ... > full story
Tai chi could help overcome cognitive effects of chemotherapy, evidence suggests (June 7, 2011) -- Previous studies have indicated that a significant number of patients who receive chemotherapy also experience cognitive declines, including decreases in verbal fluency and memory. Now, one psychologist has found evidence that indicates Tai Chi, a Chinese martial art, might help overcome some of those problems. ... > full story
BPA lowers male fertility, mouse study finds (June 6, 2011) -- Daily exposure to a chemical that is prevalent in the human environment, bisphenol A, causes lowered fertility in male mice, according to the results of a new study. ... > full story
Ovarian cancer screening does not appear to reduce risk of ovarian cancer death, study finds (June 6, 2011) -- In a clinical trial that included nearly 80,000 women, those who received ovarian cancer screening did not have a reduced risk of death from ovarian cancer compared to women who received usual care, but did have an increase in invasive medical procedures and associated harms as a result of being screened, according to a new study. ... > full story
What, me worry? Young adults get self-esteem boost from debt (June 6, 2011) -- Instead of feeling stressed by the money they owe, many young adults actually feel empowered by their credit card and education debts, according to a new nationwide study. Researchers found that the more credit card and college loan debt held by young adults aged 18 to 27, the higher their self-esteem and the more they felt like they were in control of their lives. ... > full story
Targeted cancer therapy kills prostate tumor cells, study finds (June 6, 2011) -- A new targeted therapy for prostate cancer halts tumor growth in animals with advanced prostate cancer that is resistant to hormone therapy, a new study finds. ... > full story
More men with migraine suffer from PTSD than women, study finds (June 6, 2011) -- A recently published paper highlights that while the risk of post-traumatic stress disorder (PTSD) is more common in those with migraine than those without migraine irrespective of sex, the risk is greater in male migraineurs than female migraineurs. ... > full story
Gene therapy reverses type 1 diabetes in mice, study finds (June 6, 2011) -- An experimental cure for type 1 diabetes has a nearly 80 percent success rate in curing diabetic mice. The results offer possible hope of curing a disease that affects 3 million Americans. ... > full story
Deer tick bacteria DNA in joint fluid not reliable marker of active lyme arthritis, study finds (June 6, 2011) -- New research shows that polymerase chain reaction (PCR) testing for Borrelia burgdorferi DNA--the spirochetal bacteria transmitted by deer ticks--in joint fluid may confirm the diagnosis of Lyme arthritis, but is not a reliable indicator for active joint infection in patients whose arthritis persists after antibiotic therapy. ... > full story
Kinder, gentler video games may actually be good for players (June 6, 2011) -- While violent video games may lead to more aggression and anger in players, a new study shows that the opposite is also true: relaxing video games can make people happier and more kind. "With all the evidence about the dangers of violent video games, it's good to know that game players can choose games that will provide a positive experience," researchers said. ... > full story
Anti-obesity vaccine reduces food consumption in animals (June 6, 2011) -- A new therapeutic vaccine to treat obesity by suppressing the appetite-stimulating hormone ghrelin decreases food intake and increases calorie burning in mice, a new study finds. ... > full story
Blood clotting and bowel cancer risk (June 6, 2011) -- People whose blood clots more easily than normal are more often affected by cancer. Scientists have discovered that a number of variants of clotting factor genes have an influence on bowel cancer risk. They found out that carriers of a particular gene variant of clotting factor V have a bowel cancer risk that is six times higher than people who do not have this gene variant. ... > full story
Your brain can pay attention to something without you being aware that it's there (June 6, 2011) -- Paying attention to something and being aware of it seems like the same thing -- they both involve somehow knowing the thing is there. However a new study finds that these are actually separate; your brain can pay attention to something without you being aware that it's there. ... > full story
Stem cell treatment may offer option for broken bones that don't heal (June 6, 2011) -- Researchers have shown in an animal study that transplantation of adult stem cells enriched with a bone-regenerating hormone can help mend bone fractures that are not healing properly. ... > full story
Hormone deprivation therapy for prostate cancer may raise diabetes risk (June 6, 2011) -- Men with prostate cancer are at higher risk of developing diabetes or diabetes risk factors if they receive androgen deprivation therapy to block the production or action of male hormones that can fuel the growth of this cancer. ... > full story
Severity of facial wrinkles may predict bone density in early menopause, study suggests (June 6, 2011) -- A new study finds that the worse a woman's skin wrinkles are during the first few years of menopause, the lower her bone density is. ... > full story
Pioneering stem cell bandage receives approval in UK for clinical trial (June 6, 2011) -- Millions of people with knee injuries could benefit from a new type of stem cell bandage treatment if clinical trials are successful. The world's first clinical trial for the treatment of patients with torn meniscal cartilage has received approval from the UK regulatory agency to commence. The current treatment for the majority of tears is the removal of the meniscus, a procedure that often results in the early onset of osteoarthritis. ... > full story
Wikipedia improves students' work: Students become much more concerned with accuracy when their research is posted online, study finds (June 6, 2011) -- A student writing an essay for their teacher may be tempted to plagiarize or leave facts unchecked. A new study shows that if you ask that same student to write something that will be posted on Wikipedia, he or she suddenly becomes determined to make the work as accurate as possible, and may actually do better research. ... > full story
Obesity raises breast cancer survivors' risk of dying of the cancer, study finds (June 6, 2011) -- Women with a healthy body weight before and after diagnosis of breast cancer are more likely to survive the disease long term, a new study finds. ... > full story
Leucine deprivation proves deadly to malignant melanoma cells (June 6, 2011) -- Researchers have found that depriving human melanoma cells of the amino acid leucine can be lethal to the cells, suggesting a possible strategy for therapeutic intervention. The researchers observed the effect in melanoma cells with a mutation in the RAS/MEK signaling pathway -- the most common mutation found in the deadliest form of skin cancer. ... > full story
Is the description-experience gap in risky choice limited to rare events? (June 6, 2011) -- Researchers have found people confronted with risky choices respond differently when they rely on past experiences, rather than when they just focus on the odds of winning or losing. ... > full story
Surgery-related weight loss in men reverses testosterone deficiency, study finds (June 6, 2011) -- Low testosterone levels and symptoms of male sexual dysfunction due to obesity may be reversible with weight loss after bariatric surgery, a new study finds. ... > full story
Breast cancer surgery patients benefit from adding radiation therapy, study suggests (June 6, 2011) -- Additional radiation treatment improves disease free survival lessening the chance of cancer recurring in women with early breast cancer who have had breast conserving surgery (lumpectomy), interim results of a new study found. ... > full story
History shows that all-boy classrooms might actually benefit girls (June 6, 2011) -- New research is both a refutation of the idea that boys' academic disadvantages can be solved just by removing girls from the equation and a criticism of the present level of discourse. ... > full story
Impact of Massachusetts health law on emergency department visits examined (June 6, 2011) -- While overall emergency department use in Massachusetts continues to rise, the number of low-severity visits dropped slightly since the implementation of the state's health care reform law, according to a new study. ... > full story
Yearly zoledronic acid at lower-than-standard doses increases bone density, study finds (June 6, 2011) -- A lower dose of zoledronic acid than currently recommended for prevention of bone fractures due to osteoporosis decreases bone resorption and increases bone density, and may be effective in reducing the risk of osteoporotic fractures, a study finds. ... > full story
Irregular breathing can affect accuracy of 4-D PET/CT, study finds (June 6, 2011) -- A new study focuses on the effect that breathing irregularities have on the accuracy of 4-D positron emission tomography (PET) scans and outlines a PET imaging method that reduces "motion artifacts" or image blurring arising from respiratory motion. Non-gated PET imaging with 4D computed tomography may be useful for imaging patients who do not benefit from the use of respiratory gating, most notably patients with erratic breathing. ... > full story
Support for Massachusetts landmark health reform law rises in 2011, poll finds (June 6, 2011) -- A new poll finds 63 percent of Massachusetts residents support the health care reform legislation enacted in 2006, 21 percent oppose it while 6 percent are not sure and 9 percent have not heard or read about the law. ... > full story
New generation asthma drug could improve metabolism, research suggests (June 5, 2011) -- Formoterol, a new generation asthma medication, shows great promise for improving fat and protein metabolism, say Australian researchers, who have tested this effect in a small sample of men. ... > full story
Flaxseed no cure for hot flashes during breast cancer or menopause, study finds (June 5, 2011) -- Flaxseed provides no benefit in easing hot flashes among breast cancer patients and postmenopausal women, according to a new study. ... > full story
Yoga helps older stroke victims improve balance, endurance, study suggests (June 5, 2011) -- A recent study that exposed older veterans with stroke to yoga produced promising results as researchers explore whether this popular mind-body practice can help stroke victims cope with their increased risk for painful and even deadly falls. A range of balance items measured by the Berg Balance Scale and Fullerton Advance Balance Scale improved by 17 percent and 34 percent respectively, participants had more confidence in their balance -- and they enjoyed the practice. ... > full story
Fighting cancer with cancer: Researchers find promising use for thyroid cancer gene (June 5, 2011) -- A mutant gene long thought to accelerate tumor growth in thyroid cancer patients actually inhibits the spread of malignant cells, showing promise for novel cancer therapies, a new study has found. ... > full story
Fetal programming of disease risk to next generation depends on parental gender (June 5, 2011) -- Overexposure to stress hormones in the womb can program the potential for adverse health effects in those children and the next generation, but effects vary depending on whether the mother or father transmits them, a new animal study suggests. ... > full story
Identifying toddlers at risk for autism (June 5, 2011) -- Parents and health care providers can't always tell whether toddlers display signs of autism syndrome disorder, but new research shows that a significant portion of at-risk children between 14-24 months can be identified through systematic screening by autism experts and providers working together. ... > full story
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