Scientists pinpoint flaw, offer new promise for stroke treatment
...e to a cell's nucleus. "This study sheds a lot of light on why tPA is not as effective as it could be. TPA is tremendous at opening up blood vessels, but problems with toxicity diminish the positive effects," says Zlokovic, who is professor in the Department of Neurosurgery and director of the Frank P. Sm...Britain should adopt universal hepatitis B immunisation
...eventing infection, carriage, and liver cancer. In light of this evidence, it is time that Britain's policy was reviewed, he concludes....Advances in plasma physics at Annual APS Meeting
...lasmas are formed in lightning strikes and produce light in fluorescent bulbs. They are used to inscribe patterns in computer chips and other electronics, and are at the heart of the most promising nuclear fusion devices that may someday lead to an abundance of cheap, clean, and safe power sources. The AP...Capsule endoscopy aids in detection of small bowel tumors inaccessible to other diagnostic tests
...wallows a tiny imaging capsule that incorporates a light source, video camera, battery, antenna and radio transmitter. Images of the intestinal tract are transmitted twice each second by radio frequency to an array of sensors worn around the patient's abdomen and the signals are digitally recorded on a de...Obese women face higher risk of colorectal cancer
...d obese women about colorectal cancer screening in light of their increased risk....New quick test for drug-resistant strains of gonorrhea
...t dye. The labeled sequence, called a probe, emits light only when bound to its target. The probe and the DNA copies produced by PCR are dissolved together and the solution is slowly heated and cooled. This lets the probe bind to its target. Then the solution is slowly heated until the probe is melted fro...New finding could make addiction treatment more effective
...ive effects of alcohol and there is an increase in light sleep and a decrease in restorative sleep. This may prompt alcohol users to increase their consumption to try to improve sleep. One study revealed that 44 percent to 60 percent of alcohol patients used alcohol to help them sleep. Godwin said the b...Development of working memory, allowing voluntary control of behavior, defined
...tudy participants briefly were shown a pinpoint of light and asked to remember where the light appeared. Ten seconds later, they were asked to look at the location where the light had been using ...MRI improves treatment of deforming birthmarks
...d therapy. "Under MR imaging they're as bright as light bulbs," said study co-author Jonathan S. Lewin, M.D., formerly with the University Hospitals of Cleveland, now a professor of radiology and radiology department chair at Johns Hopkins School of Medicine in Baltimore. "Detecting and delineating these ...DepoDur found to be innovative option for postoperative pain relief
... amended. Readers should evaluate any statement in light of these important factors. ...Marijuana-like compounds may aid array of debiliating conditions ranging from Parkinson's to pain
...ating, however, has been a mystery." To shed some light on how they might work, Cowley and his colleagues gave mice a cannabinoid receptor blocker, termed AM251. "We found that the treated animals significantly reduced their food intake, as has been known for many years," says Cowley. "We also found evide...New insights into hormone therapy highlight when estrogen best aids brain
...re now examining these variables, in order to shed light on how and why HT may cause deterioration of cognition. Animal models are proving useful in the study of HT because better controls are possible than with human studies. For example, like women, female mice experience natural cyclical fluctuations i...Racial differences, poverty linked to mammography use
...a major problem. Paskett says the study sheds new light on the behavior of Native American women, an important minority group that has not been included in research studies in the past. "We found that Native American women have the lowest education levels, and that they are the least likely to be insured...New understanding of neural circuits may help development of thought-controlled prosthetic devices
...ticular fluorescent dyes that change the amount of light they give off depending on how much calcium is around," says Fee. "So if we put some of this dye inside a nerve cell, we can see the cell flash as it does its work and signals other nerve cells." But in the past, this technique couldn't be used for m...Scientists raise concerns about second wave of 'mad cow' prion infection
...ober 25. (The Symposium is particularly timely in light of news from France that the blood of a frequent donor, identified as the country's eighth victim of vCJD, was used for transfusions to 10 people and in the manufacture of medicines.) They will present information suggesting that vCJD is not a dis...Accelerated heartbeart mystery: Is odd electrical wave the key?
...cal-fiber bundle beneath the culture captured this light show, enabling the researchers to see the shape and movement of each electrical wave as it passed through the cardiac cells. This gave the researchers a glimpse into the type of electrical activity that takes place in the heart. In a healthy organ, t...'Science of better' convenes operations researchers in Denver
...ractable problems. Expert William Pierskalla sheds light on this important new work being done in health care operations, policy, and economics, as well as clinical practice. Sunday, October 24, 11:40 AM 12:30 PM, Plaza Building-Ballroom A IT's Increasing Impact on Health Care: Kevin Leonard, University...Pigment cell transplantation appears helpful for treating patients with stable vitiligo
...tandard treatment for vitiligo is ultraviolet (UV) light therapy, which may last several months and can cause physical discomfort. Transplantation of pigment cells (called melanocytes) is another treatment option in patients with vitiligo. Nanny van Geel, M.D., of Ghent University Hospital, Belgium, an...Northwestern researchers pinpoint how false memories are formed
...ct. The neuroanatomical evidence furthermore sheds light on the mental mechanisms responsible for forming accurate memories versus false memories. "In the case of the false remembering emphasized here, the false memories were created when vivid visual imagery was engaged and a mental image......nces range from half a drink less in Iowa, where light beer is especially popular, to more than 14 drinks...iding how many beers to consume. For example, the light version of a particular brand may contain 4.2 percent alcohol, while the ice version of the same bra...