Researchers Study 'Natural' Screen For Cancer
...tensifies onareas where cancer is present, even in its earliest stages. "Tumors are greedy," says...ofcancer," says Rawicz, whose lab produces much of its own hypericin from branches of the herb, St. John's Wort. Rawicz says there are almost no side effec...Survey Finds Increasing Popularity Of Acute Stroke Teams In U.S. Hospitals
...s,the main commitment by a hospital is the time of its health care staff, Albertssaid. Staffing patterns, as illustrated by the survey, should helpadministrators of community and rural hospitals decide to establish ASTs. "Officials at many smaller hospitals feel that these teams are staffedprima...Survey Finds Acute Stroke Teams Gaining Prevalence
...in Belle Mead, N.J., todayannounced the results of its survey at the American Heart Association's 23rdInternational Joint Conference on Stroke and Cerebral Circulation. Researchers examined acute stroke teams at 47 medical centers andacademic centers. Slightly over half (55 percent) of the ASTs...MIT Solution To Math Problem Could Lead To Better Dental Implants, More Resistance To Missiles
...erials Scienceand Engineering. "Unbeknownst to us, its solution had many applications." The resea...s developed, the researchers planned toexplore how its properties changed along the graded continuum. This proved to bemore difficult than they expected. ...Penn Researchers Create Drug To Help Target Attack On Cancerous Tumors
... to the hypoxic regions in the tumor and highlight its oxygen content. Sydney Evans, VMD, Assistant Professor of Veterinary Medicine, has spent the last several years demonstrating the safety and efficacy of EF5 in animal tumor models and says that EF5 has shown no toxicity in animal studies. ...Hollywood Increases Film Portrayals Of People With Disabilities
...st Picture, Best Actor andBest Actress in 1991 for its depiction of serial killers, and viewers may walkaway from the film believing serial killers are relatively commonplace. Butstatistics indicate there are only about four to five instances of serialkillers in the United States per year, according to S..."Powerful New Tool" For AIDS Is Reported In Science
..., PA-- February 25, 1998 -- Science reported, in its 20 February 1998 issue, a novel AIDS directed tec...e diagnosis and management of AIDS and to optimize its therapeutic approach by allowing physicians to rapidly measure the efficacy of a drug or treatment m...Do Asthma Treatments Affect Childhood Growth?
(Effect of asthma and its treatment on growth: four year follow up of cohort of children from general practices in Tayside, Scotland) Some studies have shown that children with asthma have impaired growth, but many of these have not allowed for socioeconomic influences on g......ma, although doctors have started moving away from its use in general. "Possible psychological changes in response to asthma medications mustbe addressed," Bender said. "Careful discussion with the child and the parentsmay lead to a decision to try another medication. But in some cases,particula...Study Finds Aspirin Does Not Prevent High-Risk Cases Of Preeclampsia
...ording to the largest, most comprehensive study of its kind. Preeclampsia is a disorder of pregnancy that can strike without warning,causing high blood pressure and protein in the urine. In turn, preeclampsiamay progress to eclampsia--hypertension and generalized convulsions--which maybe fatal...X-ray Microscope Designed To Study Jet Engine Components Now Probes Tooth Dentin
...ant stress placed on teeth. AFM is unique in its ability to provide a high resolution image in anyenvironment, including wet or acid solutions. As a result, the UCSF researcherswere the among the first to describe why the polymer bonding process works bestwhen the dentin remains moist. In the bon...Tighter Chemical Binding = Better Meds
...work by binding tightly to aprotein and disrupting its normal function, including those that preventtrans...with a three-dimensional picture of a drugbound to its protein target -- usually generated through a process calledX-ray crystallography -- then modifies t...Optical Technology Projects Images Directly Into The Eye
...dly. Theintensity of the light varies according to its position along the line. The process takes place so quickly that the eye perceives thepattern of light as a coherent picture. Existing technology makes use of a screen consisting of tiny luminous elements (pixels) whichare switched on and off. The qu...Effects Of 15% Oxygen On Breathing Patterns And Oxygenation In Infants
...to indicate that it is unsafe for it to fly during its first year. Contact: Professor Anthony Milner, Professor of Neonatology, United Medical and Dental School, St Thomas's Hospital, London...Drug Is First In Decade To Show Promise Treating Generalized Anxiety Disorder
...isk of dependence, but many peopledon't respond to its effects. Davidson speculates that venlafaxine XR may work better than othercommonly used anti-depressants because it targets two neurotransmitter systems,serotonin and norepinephrine, rather than one. Serotonin has been shown toelevate mood...Is Ritalin As Effective--And As Harmless--As It Could Be?
...Ding, isdistributed as a "racemic" mixture of both its chiral molecules -- d-threo andl-threo. Ho...nantiomer, which is about 10 times more potentthan its chiral counterpart, according to Ding. "If the beneficial effects ofthe drug reside only in the d-t......r camptothecins appear to be susceptible. Because its compoundsare lipophilic, BioNumerik believes its Karenitecins will have enhanced tissuepenetration, drug delivery and bioavailability compared to wat...First Trimester Screening For Down Syndrome Possible, NICHD-Funded Study Finds
The first large scale study of its kind shows that effective screeningfor Down syndro...combination with theconcentration of either hCG or its free beta subunit," the researchersconcluded. The study also found that in the first trimes...Anti-Clotting Drug May Cause Potentially Fatal Platelet Disorder
... Ticlopidine's toxicity has raised concern since its approval by the Foodand Drug Administration. Early clinical trials found that almost 3 percent ofpatients developed life-threatening bone marrow failure within the first threemonths of beginning therapy. Consequently, it has been recommended that blo...Adding Progestins May Negate Heart Protection From Estrogen Replacement Therapy
... to estrogen replacement therapy mayweaken some of its beneficial effects in helping women prevent heart ...Estrogen protects against heart disease because of its "anti-aging"effects. However, the study results indicate that ERT plus progestins may stillbe prote...