Nevirapine is better than efavirenz at raising 'good' cholesterol
..." of cholesterol (HDL cholesterol), but nevirapine raises it higher than efavirenz, according to a new study by van Leth and colleagues published in the launch issue of PLoS Medicine. "These data suggest that nevirapine may be preferable to efavirenz in HIV-infected adults who have increased cardiovascular ...Ductal lavage may not detect breast cancer
...rnal of the National Cancer Institute. "This study raises serious questions about the utility of ductal lavage as a cancer detection test and shows us that women should not be offered ductal lavage as a method of breast cancer detection. Mammography and physical examination remain the most effective method...Advances in understanding brain circuits responsible for tics in Tourette's shed light on disorder
...rminals are pruned back during adolescence. "This raises the possibility that Tourette's syndrome is due partly to abnormal persistence of excessive dopamine terminals in the ventral striatum due to subtle changes in the timing of brain development," Albin says. The ventral striatum is known to be involve...Emory cardiologists present research at AHA scientific sessions in New Orleans, Nov. 7 - 10
...d insulin resistance a key to understanding how it raises heart disease risk? Could an infection with Chlamydia pneumoniae, known to cause a flu-like illness, be a contributing factor to advanced coronary atherosclerosis? Does being tall increase your risk of atrial fibrillation? These are a few of the ...Longterm immune memory cells cells do not develop during chronic viral infections
...ot persist without it," Dr. Ahmed explains. "This raises concerns about vaccine strategies that use persisting antigen, because antigen-independent memory T cells may not develop." The study may help explain the loss of T cell immunity seen in some chronic infections that are eventually controlled and elim...Perfect pitch, portable bone-health monitor
...iring absolute pitch may be universal at birth. It raises the possibility that parents--no matter what their language--may be able to take steps to encourage the development of absolute pitch in their children during the "critical period" when infants are learning the main features of their native language....Premature infants with lung disease may continue to need replacement substance to ease breathing
...ng disease after their first week. The study also raises the question of whether additional replacement surfactant treatment may benefit such infants, just as it does in the week after birth. Neonatology researchers from The Children's Hospital of Philadelphia and the University of Pennsylvania publishe...Location of body fat may be important in disability risk
... they reported having difficulty with daily tasks, raises the question of how the current obesity epidemic will affect disability. "This has implications for the future prevalence of disability," said Houston. "With the current obesity epidemic, we may see disability in younger people and see more of it." H...Estrogen-associated COX-2 pathways explain protection from heart disease in female mice
...s, and atheroprotection in female mice, this study raises concern about the use of COX-2 inhibitors in premenopausal women. These studies also raise the possibility of an interaction between hormone replacement therapy and drugs which inhibit COX-2, including traditional NSAIDs. Of particular concern for se...US sees steep rise in 'no indicated risk' caesareans
...eans where there is no reported medical indication raises serious questions, say the authors, not least for younger mothers who plan to have further children. More research is needed on whether the risks associated with surgery outweigh the benefits in these circumstances, they conclude....Obesity appears to be modifiable risk factor for atrial fibrillation
...ications. Although our study was observational, it raises the intriguing possibility that weight reduction may decrease the risk of AF," the researchers write....University of Utah study suggests cellular waste to blame for a form of blinding eye disease
...iversity of Utah's Moran Eye Center. The discovery raises concerns that carbonic anhydrase inhibitors (medications often used to treat both heart and eye diseases) may adversely affect vision. The study is published in the November 24, 2004 online version of the journal Human Molecular Genetics ( http://hmg...Iris Murdoch's last novel reveals first signs of Alzheimer's disease
...of Alzheimer's disease on spontaneous writing, and raises the possibility of enhancing cognitive tests used to diagnose the disease, for example by comparing correspondence or diary entries collected over someone's life. "Alzheimer's is known to disrupt the brain's semantic system, but this can happen...UCSD researchers identify new role for drugs in prevention, treatment of atherosclerosis
...fessor of medicine, Department of Medicine. "This raises the possibility that these different roles taken by PPAR-alpha and PPAR-gamma might be exploited therapeutically through the use of combined drugs to synergistically inhibit the development of atherosclerosis." The study's observations also hav...Stem cells to the rescue - or not?
...stinguish between donor and recipient cells, which raises the possibility that the recipients own cells have in fact been responsible for observed regeneration. In the December 1 issue of the Journal of Clinical Investigation, Elizabeth McNally and colleagues from the University of Chicago transplanted BM-S...Ongoing transfusions needed to avoid strokes in children with sickle cell disease
..., which is still under study in children. The drug raises the level of fetal hemoglobin, which cannot sickle. Another approach is modifying the transfusion program to deliver less iron. Dr. McKie, Professor Emeritus of Pediatrics and STOP II co-investigator, concurs that STOP 2 is not the end of the story. ...Blacks and poor more likely to donate than receive many types of transplant organs
...entives as a way to encourage donation. This study raises concerns about efforts to offer financial incentives since minorities and the poor may be disproportionately affected by such incentives. "There are already widespread disparities in who donates and who benefits from organ transplantation. Adding fi...Day-long drivers at risk of cardiovascular problems as a result of traffic pollution
...day in the journal Particle and Fibre Toxicology raises concerns about cardiovascular risks for vehicle drivers. Michael Riediker, from The Institute of Occupational Health Sciences in Switzerland, collaborated with colleagues from a number of institutions in North Carolina, USA, to study the direct effe...Risk of stroke doubles for migraine sufferers
...een migraine and stroke established in this review raises new questions about whether these two conditions share similar risk factors, which must be further researched. In particular, much more investigation is needed into risk factors for migraine sufferers who are taking oral contraceptives, they conclud......l deficit resulting from constant light. The study raises the possibility that drugs that inhibit degradation of rhodopsin may reduce the severity of visual impairment that results from long-term exposure to moderate or even low levels of light....