New treatment for skeletal metastases
...the Studsvik reactor in Sweden. In addition to the short scope of the radiation, it has a half-life of only 11 days. Pain relief In animal trials, this new isotope had good results on breast cancer that had spread to skeletal tissue. The animals lived longer and some were cured. (Cancer Research, June...New method of turning off viruses may help control HIV infection, says Jefferson scientist
...ble to use small pieces of genetic material called short interfering RNAs (siRNAs) to inhibit HIV from making more copies of itself. The process, called RNA interference (RNAi), was first discovered in 1998. It is so novel, says virologist Roger J. Pomerantz, M.D., professor of medicine, biochemistry and ...'Power nap' prevents burnout; morning sleep perfects a skill
...ell as they did in the first session -- or after a short nap. This led the researchers to propose that neural networks in the visual cortex "gradually become saturated with information through repeated testing, preventing further perceptual processing." They think burnout may be the brain's "mechanism f...Practice makes perfect, if you sleep on it
... of a good night's sleep that many people will cut short by getting up early in the morning," said Matter W...t modern life's erosion of sleep time is seriously short changing your brain of valuable learning potential." A full night of normal sleep is characterized b...Post-surgery chemotherapy questioned for certain breast cancer patients
...udy "clearly confirms the survival benefit" from a short course of chemotherapy in older women with lymph node-negative, ER-negative breast cancer. And it "reinforces the cautionary tone that already permeates the clinical practice guidelines" for chemotherapy used in similar patients but with ER-positive ...Benefit of adding chemotherapy to tamoxifen for breast cancer
...ienced no improvement from combined therapy with a short course of chemotherapy when compared with tamoxife...hemotherapy. Despite study limitations (such as a short course of chemotherapy) that may have benefited patients with ER-positive tumors, the authors mainta...Reduced breastfeeding in western countries makes major contribution to incidence of breast cancer
...uations where women had few children breastfed for short periods. We have shown that these factors alone account for the high rates of breast cancer in more-developed settings." Co-author Gillian Reeves adds: "To expect that substantial reductions in breast-cancer incidence could be brought about today by...School program reduces risk of obesity, disease in border community
... at many schools, but final levels invariably fell short of the program target of 20 percent of class time. Observations during school breakfast and lunch service also revealed improvement, with a trend toward reduced fat and sodium content of meals served. Most schools eventually met or closely approximat...UK study suggests possible link between colorectal cancer and human growth hormone therapy
...itary growth hormone was widely used to counteract short stature in children and young adults up to the mid 1980s; since then synthetic growth hormone has replaced human growth hormone therapy. Previous research has suggested a possible link between naturally occurring growth hormone concentrations and an ...Study pinpoints link between sleep apnea, high blood pressure
... apnea, a disorder associated with snoring, causes short interruptions of breathing and intermittent drops in oxygen levels. It is often associated with high blood pressure, a condition that contributes to heart attacks, strokes and kidney disease. Although scientists have known for more than a decade that...Complex physical learning may compensate for prenatal alcohol exposure, study shows
...experiment; none learned the new skills during the short period of testing. "It may be that we did not challenge them enough to be able to detect significant differences still present from alcohol exposure," Klintsova said. "But we are very encouraged by what we saw, because we found, to our pleasure, tha...Intensive care treatment may be bad for your health
...ow intensive care therapy may be beneficial in the short but not in the long term. Being treated in intensive care units may help critically ill patients survive but the quality of life - if they survive - is often severely impaired. It is unclear whether this impairment is a complication of the illness or...Studies define biochemical structure that keeps blood pressure low, bypass grafts open
... is very important because nitric oxide has a very short life and there are other compounds inside cells that, as soon as the nitric oxide is produced, they grab it and either inactivate it or turn it into a toxic compound." And there's the rub. When sufficient nitric oxide isn't available to activate sGC...Antibiotics help heart patients
...stigate the reasons for the long-term effects of a short course of antibiotic treatment."...UCI researchers leading the effort to understand the causes and effects of air pollution
...nce there, fellow employees share the vehicles for short trips during business hours. At the end of the business day, the vehicles are driven back to the transportation center, where they may be used by a returning Irvine resident for the commute home. ZEV(NET eliminates the pollution associated with a one...FINAL ALERT: RPB Science Writers Seminar in Eye Research to be held in Washington, DC Sept. 22-25
... conductive keratoplasty (CK), the application of short bursts of radio-frequency energy to re-sculpt the eye. Because CK requires no cutting or removal of tissue, it offers a less invasive alternative to LASIK for treatment of farsightedness and presbyopia (the natural loss of reading vision with age). A...Verbal memory test best indicator of who will have Alzheimer's disease, new study says
...eing predictive but less so than both the long and short delay memory tests. Changes in the hippocampus were the best volumetric or neuroimaging measure but in general volumetric measures were less sensitive to preclinical stages of the dementia than were the neuropsychological tests. Ironically, while mem...Landmark XENDOS study shows Xenical prevents or delays the development of type 2 diabetes
...style intervention alone Weight loss, both in the short and the long term, was significantly greater with Xenical plus lifestyle intervention compared with lifestyle intervention alone (-11.4 vs -7.5 kg at one year and -6.9 vs -4.1kg at four years) Weight loss was successfully maintained in the long-ter...Mayo Clinic discovers one more downside to alcoholism
...acute state of confusion after the operation. This short but severe confusion struck 48 percent -- or 19 of 40 -- alcoholic liver-disease patients compared with 6 percent -- or three out of 47 -- hepatitis C patients, another major group receiving liver transplant. The study is published in the Aug. 28, 20...Study of low-fat, high-fiber diet finds no effect on PSA levels in men over a four-year period
...." The study had too few participants and was too short to determine the impact of diet on the actual incidence of prostate cancer. According to researchers, limiting calories and eating a fruit- and vegetable-enriched low-fat diet with fat intake making up 20-25 percent of a person's daily intake of cal...