New research shows why too much memory may be a bad thing
...an Diego, Calif., found that reducing neurogenesis causes long-term memory deficits. Based on this research, Drs. Malleret and Saxe hypothesized that the growth of too many new neurons could actually be more harmful than helpful to working memory. To examine this hypothesis, they designed working memory ...New treatment possibilities for fatal genetic disease
...ey researchers have proven that loss of D1 neurons causes many of the fatal diseases disabling symptoms. In Huntingtons disease, the first evidence of damage in the brain occurs in the part of the brain called the striatum; D1 and D2 neurons constitute 90% of neurons in the striatum. Research leader, A/...Who gets heart failure? Race takes back seat to diabetes and high blood pressure
... that much remains to be understood about the root causes of racial disparities and how to fix them. He ...n Americans are clearly getting heart failure from causes other than heart attack. According to lead researcher Hossein Bahrami, M.D., M.P.H., the message t...EVEREST data on use of tolvaptan published in JAMA and featured at ACC
...he study's two primary endpoints: deaths from all causes (p equal to 0.68) or from the combined endpoint of cardiovascular (CV) deaths or subsequent hospitalization for worsening HF (p equal to 0.55). "Tolvaptan exhibited short-term symptomatic benefits in patients hospitalized with worsening heart failu...Light-based probe 'sees' early cancers in first tests on human tissue
...thelium. It may be, for example, brain cancer that causes a patient's death, but that cancer might have originated in the colon or other site of epithelial tissue," said Adam Wax, professor of biomedical engineering. "Being able to detect pre-cancer in epithelial tissues would therefore help prevent all typ...Long-term aspirin use associated with reduced risk of dying in women
... disease and some types of cancer, the two leading causes of death in U.S. women, according to background information in the article. However, it is unclear whether aspirin reduces the risk of death overall for women. Andrew T. Chan, M.D., M.P.H., Massachusetts General Hospital and Harvard Medical School...Drug/intervention combinations offer benefit in severe CVD
... Cardiogenic shock (CS) is one of the most common causes of death among hospitalized patients with acute my...1.04). Rates of adverse events, CS resolution and causes of death were similar. Investigators concluded that while the use of TAI resulted in a significant ...Low-tech operation could dramatically reduce maternal deaths
...ke the rich world, however, one of the most common causes of maternal death in low income countries is obstructed labor. The availability of relatively low-tech symphysiotomies, says the author, would help to address this dire situation....Morphine kills pain -- not patients
...rkers, believe that morphine is a lethal drug that causes death when used to control pain for a patient who is dying. That is a misconception according to new research published in the latest issue of Palliative Medicine, from SAGE Publications. Two articles in the peer-reviewed journal address research l...American College of Physicians releases new patient education resources
...om Alzheimers disease. Scientists do not know what causes Alzheimers disease but they know that the risk of getting it increases with age. It usually begins after age 65. It can be difficult for patients to find out they have Alzheimers disease, said Patrick C. Alguire, MD, FACP, ACPs director of educatio...Where should I have my outpatient surgery?
...sea and vomiting constitute one of the most common causes of admission, but are common in patients who undergo general anesthesia, which may account for the increased risk in this category. Surgery in freestanding surgery centers has many advantages, especially from a patient comfort standpoint. Close proxi...Biosand filter reduces diarrheal disease in Dominican Republic villages
...duce the incidence of diarrhea, one of the leading causes of disease and death in developing countries, by u...sease," Sobsey said. "Diarrhea is one of the major causes of disease and death in developing countries." Dr. Gloria Ortiz, a UNC postdoctoral fellow, also h...Researchers hot on the trail of brain cell degeneration
...teams' analysis demonstrated that over-stimulation causes activation of Rho as well as cell destruction signals. Blocking Rho activity by genetic modification keeps the protein in an inactive state, and the nerve cells thus survive a previously toxic level of over-stimulation. The study identifies a new ...Black-white life expectancy gap narrows, but remains substantial
...ased sharply, then subsequently declined. But the causes of these changes have not been investigated. Sam...ermine the contribution of specific age groups and causes of death to changes in the black-white life expectancy gap from 1983 to 2003. They analyzed data fr...Online book helps children understand the effects of stroke
...it challenging to find time to explain to kids the causes and effects of a stroke, which adults may only par...ded are brief, child-friendly explanations of what causes stroke; why stroke can lead to changes in mood, verbal and physical ability and behavior; and what c...Tracing broken wiring in stroke patients
... the functional disruption in brain circuitry that causes stroke patients to show a lack of awareness or response to the side of the body opposite to the side of the stroke lesion in the brain. The researchers said their findings shed new light on the neurological details of this "spatial neglect." Their fi...New project to analyze why Polycystic Ovary Syndrome and insulin resistance are so closely linked
...ll do not fully understand the underlying cause or causes of PCOS but insulin resistance plays an important part in many patients. "These studies will give us the chance to look directly at the mechanism of insulin resistance at the level of an important target tissue the ovary. We expect the results of...Chromium 6: A killer compound with an improbable trigger
...cells with chromium 6, or hexavalent chromium, and causes massive DNA damage. Low doses of chromium 6, combi...alent chromium during welding. Hexavalent chromium causes lung cancer and is found in 40 percent of Superfund sites nationwide. This is the toxic metal, found...Many Americans at high risk of vision loss do not have access to eye care
...eath and decreased quality of life. They also are causes of falls and injuries and can lead to depression and social isolation. Xinzhi Zhang, M.D., Ph.D., Centers for Disease Control and Prevention, Atlanta, and colleagues used data on vision from the 2002 National Health Interview Survey to estimate the...... suffer from endometriosis, one of the most common causes of infertility and pelvic pain. A new study to be published in an upcoming edition of the Journal of Reproductive Medicine reveals that Pycnogenol (pic-noj-en-all), an antioxidant plant extract from the bark of the French maritime pine tree, signific...