First consensus guidelines on lightning safety issued before summer storms
... lightning injury in an effort to dispel the myths surrounding the second largest storm killer in the United States. On average, lightning causes more casualties annually in the U.S. than any other storm-related phenomenon except floods, according to the article. Although 90 percent of those injured survive, the...130-year-old mysteries solved: how nitroglycerin works; why patients develop tolerance
...y have also shed light on the second major mystery surrounding nitroglycerin -- whypatients eventually develop a tolerance to the drug's effects. Shortly after heart patients take nitroglycerin, the blood vessels supplying the heart musclerelax, allowing oxygen-rich blood to nourish the heart and relieve the pa...Cord blood cells improve rats' neurological recovery from brain injury, new study finds
... Some HUCB cells that became part of brain tissue surrounding the injury expressed characteristics of endothelial cells lining the brain blood vessels. This suggests the injected cells may help regenerate injured vessels, Dr. Sanchez-Ramos said. A second study in Cell Transplantation , by USF neuroscientist ...Media undermine efforts to tackle nicotine addiction
Inaccurate media reports surrounding the safety of new smoking cessation drugs are undermining the treatment of nicotine addiction, according to an editorial in this week's BMJ. Professor Linda Ferry presents two scenarios that illustrate the struggle between the press and medical exper...New test identifies aggressive and less aggressive prostate cancers
...comes for individual patients." In order to invade surrounding tissue and escape to blood vessels, cancer cells produce high levels of an enzyme called cathepsin B (CB), which destroys proteins in the connective tissue that holds cells in place. But cells also produce natural inhibitors of CB called stefins. The...Think youre healthy? Open wide and look inside
... quite common and may involve one area of the gums surrounding a tooth or the entire gums in the mouth. In addition, there are many causes of swollen gums that could be as minor as hypersensitivity to chewing gum, reactions to prescription medications or a popcorn kernel logged into the gums." One of the most...Mayo Clinic researchers develop a new imaging test for diagnosing breast cancer
...er tissue was more than four times higher than the surrounding tissue. "Conventional MRI is very sensitive for detecting breast cancer, but unfortunately there are too many false positives," Dr. Ehman says. "The goal of our research is to determine whether we can use this new MR elastography technique to improve...Eficiency, feasibility of antiretroviral therapy in Africa demonstrated in IRD-coordinated surveys
...al therapies in developing countries: uncertainty surrounding their biomedical efficacy, given the diversity of ...enegal. The experiment is the first to lift doubts surrounding the effectiveness and tolerance of antiretroviral therapies in Africa. It uses now-standard trithera...High-volume hospitals equal higher survival rates for bleeding strokes
...thin the weblike system of vessels and capillaries surrounding the exterior surface of the brain. SAH can cause brain damage, coma and death. Data on 12,804 patients (62 percent female, average age 52,) admitted to 390 hospital emergency departments for SAH were examined, and outcomes were compared with each fa...Preventing misuse of performance-enhancing substances a growing and difficult task
...their advisors are constantly seeking 'gray areas" surrounding the rules, and if something is not explicitly banned, then why not try it. This slippery slope of rationalization is treacherous and appealing to a player or team seeking glory and money rewards." In one chapter, "Drug Testing and Sport and Exercise...Developer of anthrax quick test finds similar test for strep throat
...nagement of sore throat, independent of the issues surrounding antibiotic overuse. But the leader of a team that developed a rapid test for anthrax exposure has completed an assessment of various testing procedures used in the rapid test and found the results wanting. He suggests that rapid antigen testing la...Ethical committee members have different views on how to evaluate clinical trials
...d to participate." The study has flagged up issues surrounding the information supplied to IRBs and the members' perception of their competence in evaluating trials. Although the majority of members said that trial protocols contain enough information about the types of risks and benefits of a trial, a substant...The Lancet Neurology press release
... month's Leading edge discusses some of the issues surrounding mobile phone use and concludes that more studies that directly investigate the effects of mobile phone use in the human population are urgently needed. Genetics of sleep disorders In January 2000, Emmanuel Mignot (Stanford University, Palo Alto, ...Easier monitoring of diabetes is focus of symposium, Aug. 18
... that are sensitive to glucose levels in the fluid surrounding the skin cells. When exposed to a special excitation light, the molecules fluoresce to reflect the intensity of the glucose levels, which can then be read by a detector. (This paper, ANYL 22, will be presented at 3:15 p.m., Sunday, Aug. 18, at She...Tissue engineers steering stem cells to produce bone, cartilage
...t types of musculoskeletal tissue. Ethical debates surrounding stem cell research have focused on material remove...ls derived from the bone marrow of adult goats. By surrounding these cells with a specific growth factor that helps direct cellular differentiation, Williams has p...$2.2 Million herbal cold remedy study underway at U.Va.
... a three-year clinical trial. "Part of the problem surrounding the study of echinacea is that all of the products containing it are different," said principal investigator Dr. Ronald B. Turner, professor in the Division of Infectious Diseases, Department of Pediatrics, at U.Va. "No one has identified an active f...UCSD professor explains how elephants are able to snorkel
... the water. The pressure in the pleural membranes surrounding the lung is so great that the vessels should rupture or cause rapid edema in any other mammal. However, evolution has come up with a remarkable solution to this problem by replacing the normal pleural membranes in the elephant with sheets of dense c...New procedure kills liver tumors without surgery
...on to the region of the tumor without damaging the surrounding tissue." After the heating session, the needles are slowly withdrawn at a slightly lower temperature in order to cauterize the wound and minimize bleeding. All the patient needs is a small bandage on the skin and a half-day of rest before leaving th...Depression and exposure to other smokers linked to alternative tobacco product use among teens
...ies determine adolescents' beliefs and motivations surrounding the benefits of using alternate tobacco products," said study co-investigator and author Kenneth P. Tercyak, PhD, assistant professor of oncology at Georgetown University Medical Center. "Since it is possible that adolescents might have misconception...Dont think about it too much - Psychological healing in Angola
... two government-run camps (Visaka and Chipopia) in surrounding rural areas, each housing around 8000 people. The authors comment: 'Most people who experience distress, pain, and illness first turn to others around them for advice and suggestions, and this was the case for almost all the displaced people in Huil...