Black tar heroin use explains lower HIV levels among injection drug users in the Western US
...njecting. Studies have shown that these are not as efficient as venous injection for transmitting HIV. "We believe that we have solved this longstanding epidemiological puzzle thanks to multidisciplinary science and data from the DEA on the types and distribution patterns of heroin. This data is valuable to pu...Advice for designing reliable nanomaterials
...ls, this tradeoff may complicate efforts to devise efficient methods for assembling nanometer-scale building blocks into exotic ceramics, glasses and other types of customized materials. "Not all properties may benefit from microstructural refinement, so due caution needs to be exercised in materials design,"...Scientists restore crucial myelin in brains of mice
...h higher efficiency. The adult cells were far more efficient than fetal cells at getting the job done," Goldman says. An expert on the brain's stem and progenitor cells, Goldman in 1999 isolated the cell that produces the oligodendrocyte, becoming the first person to isolate a progenitor cell in the br...Urgent action required to prevent 500k deaths/yr worldwide from pregnancy-related causes
... the study demonstrate how their methodology makes efficient use of existing survey data and could be used to explore the rich-poor gap in other health outcomes, such as adult mortality. Peru's recent experience (3) is discussed by Jaime Miranda and Alicia Ely Yamin; a country where (between 1996 and 2000) mo...New act will restrict patient choice
...tients is thus now presented as an obstacle to the efficient functioning of the system. The health secretary, Dr John Reid, has stated that his government "will empower patients by giving them genuine individual choices about where, when, how, and by whom they are treated." It seems that he does not have in mi...Midlife brain crisis spawns late-life Alzheimer's
... brain's natural capacity to operate in a healthy, efficient manner," Bartzokis said. "The process of adult brain development and becoming 'wiser' has this downside that evolution could not anticipate." This new model of brain development and degeneration suggests that the best time to address the inevitabilit...Stevens' Cattabiani helps link doctors, hospitals worldwide
... to reducing this unnecessary suffering through an efficient mechanism which makes available to the widest possible number the latest in medical supplies, appropriate computer software and hardware, timely telecommunications, and expert personnel." During the period of 1991-1997, observations were made on h...Study findings question COX-2 drug cost effectiveness
... evaluations of COX-2s, is that they undermine the efficient allocation of scarce healthcare resources," added Cox. This is the second study recently published by Express Scripts researchers on the validity of cost effectiveness evaluations of new drugs. In a September Journal of Managed Care Pharmacy article...Low-dose interferon fails to improve survival in high-risk melanoma patients
...ond these results - to develop more innovative and efficient clinical trials, and better identify those patients at risk of recurrence based upon the use of molecular genetic factors," Dr. Schuchter added....Duke cardiologists offer new view of link between aging, atherosclerosis
... these cells may represent an important benefit of efficient preventative maneuvers such as diet and exercise, the researchers said. While they have proven the role of stem cells in repairing damaged arteries, they believe the same situation could also hold true for other organ systems in the body. "A chronic ...Aspirin is most cost effective way to prevent heart disease
...t doubt on present policy, says the author. A more efficient prevention strategy would be to offer most men over 55 and most women over 65 aspirin than to give statins to a few high-risk patients....Inconsistent guidelines lead to wide variation in chaperone use during Pap smears, U-M study finds
...ing a lot of Pap smears, you're good at it, you're efficient at it and you probably don't need someone to look over your shoulder." The researchers also found significant variation by region. Doctors in the South used a chaperone 89 percent of the time while doctors in the Midwest brought in a chaperone only 6...Purefecta (TM) drinking water purifier from Pall and Kinetico removes pathogens...
...e detection tests are not 100 percent reliable and efficient nor do they monitor for most pathogens. Instead, they test for the possibility of pathogen contamination by detecting the presence of coliform or fecal matter. "Our monitoring systems have repeatedly proven to be ineffective in predicting the presen...Laboratory studies show a natural protein analog may fix insulin-making cells isolated from pancreas
...creased. "We found that the islet cells were more efficient when treated with GLP-1, because it prompted them to make insulin only when it was needed," said Dr. Perfetti. In the study, two groups of islets were isolated from the human pancreas and cultured in the laboratory for five days. One group was tre...JCI Table of Contents, November 14, 2003
..., using a novel drug-resistance gene, MGMT. Highly efficient transfer and expression of MGMT into relatively few HSCs using a lentivirus vector led to repopulation of the hematopoietic compartment with gene-corrected cells following suitable drug treatment. This selection system may be useful in human clinical...Study finds VA maintained quality despite shift to outpatient care
...oward reducing hospital usage and emphasizing more efficient and comprehensive care through VA primary care phy...ndertaken by VA in the mid-1990s to make care more efficient and effective for veterans," said senior author Dr. Nelda P. Wray, formerly a physician and health s...American Thoracic Society Journal news tips for October 2003 (second issue)
...ncouraging, but significant barriers remain before efficient delivery and long-term expression of the transgene in the airway is achieved....Laying the foundations for greener living
...eptible to crime Developing more appealing and efficient public transport systems Managing waste and pollution Making existing buildings more environmentally friendly The initiative is being launched by the Engineering and Physical Sciences Research Council (EPSRC). It will involve researchers...NASA research propels development of new glass
...nd for different skin types. Our glass can provide efficient power lasers and expand coverage to new wavelengths," he said. REAl Glass TM also provides a medium for next-generation optical communications devices that need to be small, low-cost and powerful to provide fiber for home connections for broadband I...Patient-centered approach just what the doctor ordered for healthcare industry
... approach would make healthcare more effective and efficient for everyone involved. Leonard Berry, who holds the rank of Distinguished Professor of Marketing in the Mays Business School at Texas A&M, has studied the healthcare industry and says that its future depends on a patient-centered approach. That mean...