Repeated Exposure To Cocaine Alters Brain Structure
...-lasting changes in the structure ofnerve cells in certain areas of the brain, according to new data presented hereyesterday (April 23) by Dr. Terry Robinson of the University of Michigan. Robinson described his finding at the Fifth Annual Wisconsin Symposium onEmotion, held April 23-24. "Repeated exposure t...'Silent' HIV Infection Lasts A Lifetime
...ral drugs by hiding in the immune system,infecting certain white blood cells, called T cells, and then going to sleep, orturning off. In the May Nature Medicine, the same team reports this silentinfection persists for a lifetime. "This doesn't mean a cure for HIV is impossible, but it is an obstacle,......eveloping a second cancer, with risksof developing certain types of cancer much higher than that, compared topatients without Hodgkin's disease. The risk of developing thyroid cancer in males was especially high --164 times that of controls. "These are big relative risks," said Daniel M. Gr...... bind to the cell's insulinreceptor and activate a certain enzyme as the first step in the cascade ofevents that would lead to the sequestering of glucose in the cells. In essence,the compound would need to flip the same biochemical switch in the cell thatinsulin does. To see if any of the thousands of candi...Marker Found For The Most Malignant Brain Tumors
...Medicine have identifiedwhat could be a marker for certain types of brain tumors. This marker would be avaluable diagnostic tool for physicians who deal with patients with thesetumors. "Human high-grade gliomas, including glioblastoma multiforme (GBM), arethe most prevalent and most difficult-to-mana...Multitasking Behaviors Mapped To The Prefrontal Cortex
...ave mapped a region of the brain responsible for a certain kindof multitasking behavior, the uniquely human a...king behavior, calledbranching, can be mapped to a certain region of the brain that is especiallywell developed in humans compared to other primates. The stud...Nerve Cells Live Long And Talkative Lives In Sculpted Colonies On Silicon Chips
.... Using this technique, thecolonies can be made on certain electronic contacts, encouraging someconnections w...ton. "We arrange it so the neuronscan only grow in certain directions. We can create paths for the neurons to growin." The electrode matrix the neurons grow on...Biological Markers Found That Correlate To Esophageal Cancer Treatment Success
...eadliest of cancers.The scientists discovered that certain tell-tale proteins seem to signal thesuccess or failure of chemotherapy, as well as resistance to radiationtreatment, in esophageal cancer patients. The finding of such markers could leadto more effective targeting of such aggressive therapies, which...Breakthrough New Therapy Uses Antibody-Targeted Chemotherapy To Fight Leukemia
...s an aggressive, life-threatening disease in which certain white bloodcells become cancerous and rapidly replace normal bone marrow and blood cells. AML is among the most serious forms of adult leukemia, with a relatively highfatality rate. Most patients require intensive chemotherapy to achieve completerem...Abgenix Reports Positive Survival Data From A Phase II Trial Of ABX-CBL In Graft Versus Host Disease
... the treatment of patients with end stageleukemia, certain other serious cancers and immune system disorders. Anallogeneic BMT procedure involves transferring marrow, the graft, from a healthyperson into an immunosuppressed patient, the host. The transplant is intendedto restore normal circulating immune c...Is handwriting truly individual? UB computer scientists are finding out
... such details of a person's writing as how often a certain slant or loopoccurs. The software under development at UB will be able to estimateautomatically the slant angle of someone's script, as well as other features ofan individual's writing. Those features and quantitative data about them -- suchas how of...... can help prevent heart attackor sudden death in a certain group of high-risk individuals who are undergoing aprocedure called angioplasty to restore blood flow to an obstructed artery. This group of individuals who have unstable angina -- severe chest pain, even atrest -- are most likely to benefit from thi...Restricting children's access to foods make children consume more of those foods
...s Birch. Although restricting children's access to certain foods may appear to encouragehealthy eating, it may instead encourage overeating of the forbidden foods,according to a new study in June 1999's American Journal of Clinical Nutrition. Restricting access to any food makes that food seem more desirable...Advance reported in search for skin cancer treatment
...olet light in humans. Such damage leads to certain types of skincancer, which have reached almost endemic proportions. Skin cancer is now themost common form of cancer in the United States, with an estimated 1.4 millioncases diagnosed annually. According to Wiest, the number of skin cancerpatients ...Soy foods reduce risk of coronary heart disease
...Hospital. "These findings demonstrate the power of certain foods in the fightagainst cholesterol and may explain why heart disease is so rare in East Asiancountries where soy consumption is much higher." Jenkins' team of researchers studied 19 men and 12 women with elevatedconcentrations of harmful LDL (low......rmally, puberty starts in the pre-teen years, when certain cells in the brainbegin pulsing out small timed doses of a chemical signal called GnRH, forgonadotropin releasing hormone. GnRH instructs the ovaries and testes to startmaking steroids, including sex hormones. For children who start to develop sexcha...Can a terminally ill person want to hasten death and be mentally competent?
...uld consider assisted suicide for themselves under certain circumstances, forother respondents, opposition to assisted suicide was strongly a function oftheir opposition to suicide per se. One third of the respondents indicated that performing such evaluations wasoutside of their practice area. Of the remai......the bloodstream, the other 90 percent existswithin certain tissues, including the endothelial cells. Both ACE inhibitors were equally effective in blocking the activation ofangiotensin in the bloodstream. However, it may be that quinaprilat has a muchgreater attraction for cells that bind angiotensin than d...Risk factors for women remain high one year after heart surgery
...ients with coronarydisease to stop smoking, modify certain lifestyle behaviors such as weightcontrol, follow a low-fat diet and increase physical activity. Patients alsoneed to be more active in managing their own care. "In addition to making some basic lifestyle changes, such as initiatinga low-f...