Selenium: an insidious and persistent toxin
...nto the lake. He found selenium still present at a moderate risk level in the sediment of the lake. The element continued to gradually move from the sediment through the food chain, accumulating to toxic levels in fish eggs. "Bioaccumulation in food chains causes otherwise harmless concentrations of selenium ...Bug vs. bug: scientists use microorganisms to target destructive termites
...onmental factors here, including high humidity and moderate temperatures, allowed them to spread. Environmental and health concerns have resulted in the removal of several chemical pesticides from the marketplace that were once effective in keeping the termites at bay. In an effort to find an alternative, W...Tomato ripening gene could make store tomatoes tastier
... Giovannoni's research team also has been able to moderate the ripening process, creating tomatoes that ripen at fast, medium or slow speeds. Using a procedure called "antisense," the researchers take the rin gene and invert it. This effectively shuts off the normal gene and, in this case, slows the tomat...Asymmetrical birds may soon be at-risk
...ita Hills. Forest degradation is lowest inMbololo, moderate in Ngangao and highest in Chawia. The Taita Hills arepart of the Eastern Arc Mountain, which is considered among the 17 mostendangered biodiversity hotspots worldwide. The results suggest that asymmetry is evident in Taita thrushpopulations before t...Patch delivers longer, deeper relief from dental pain
...cal gel. Patients with mild or moderate periodontal disease - where the bone that surrounds the teeth begins to deteriorate - often need the area under the gums scraped to remove plaque and tartar buildup. Also, patients needing ...Study suggests gum disease, cardiovascular disease link common phenomenon in developed countries
... bacteria. Nearly all of the plaque samples showed moderate to high levels of C-reactive protein, a marker for inflammatory activity associated with bacterial infection and the development of atherosclerosis. "We weren't surprised to find periodontal bacteria in the carotid arteries of this German cohort, bu...Tyrannosaurus rex probably could not run fast, scientists say
... of 45 miles per hour and others suggesting a more moderate 25 miles per hour. Both estimates seemed fast to John Hutchinson of Stanford, who as a graduate student at the University of California-Berkeley set out with help from postdoctoral researcher Mariano Garcia, now of Borg-Warner Automotive, to test the......ions of plant-eating mammals are found in areas of moderate rainfall, such as the Serengeti plains in Africa, Yellowstone National Park in the United States and the Punjab region of India, Ritchie says. The areas tend to produce enough vegetation to support large mammals, and vegetation that is of high enough...Nabi experimental vaccine reduced Staph aureus bloodstream infections by nearly 60 percent
...ar to other vaccines. They were generally mild to moderate and included induration, erythema, pain and heat at the injection site and malaise and myalgia. These reactions typically resolved within one or two days. Because the data showed the ability to reduce S. aureus bacteremia for up to 40 weeks, we now......l evidence that supports the benefits derived from moderate physical activity. Their findings have led a call...the sedentary individual engaged in three hours of moderate physical activity (such as walking) a week he or she would have a 30 percent reduction in the risk f...Is there a link between alcohol and allergies?
...cohol may be one such environmental factor. Low to moderate alcohol consumption was found to be associated wit... first study to focus on the association of low to moderate alcohol intake and both total and specific serum IgE levels." A total of 460 patients (251 males, 20...Researchers call herbs rich source of healthy antioxidants; oregano ranks highest
...herbs, please see last page of release. ) Adding a moderate amount of herbs may go a long way toward boosting the health value of a meal, especially as an alternative to salt and artificial additives, the researcher suggests. Even if youre not into oregano, other herbs also appear to pack a significant antiox......breaks in developing countries, which treat only a moderate or low number of their TB cases. Blower and colleagues advocate treating more HIV, because this will indirectly improve the TB epidemic. Their recommendations contradict world health professionals who argue that HIV is out of control and too expensiv...December media highlights - GSA BULLETIN
...yr ago indicate that future Mistis eruptions, even moderate in magnitude, will entail considerable hazards to the densely populated area of Arequipa....'Gift of the Magi' bears anti-cancer agents, researchers suggest
...aclitaxel. The compound appears to fall within the moderate strength range of other recently discovered phytochemicals (isolated from plants), including resveratrol (from grapes), genestein (from soy) lycopene (from tomatoes) and catechins (from tea). The good news is that these compounds all come from food a...Women who drink moderately do not face a longer wait to become pregnant
Women who regularly drink a moderate amount of alcohol while trying to conceive do not ...In women who had never given birth before, neither moderate nor high alcohol intake was related to a longer waiting time to pregnancy. However Mette Juhl, the D...Duke forum to address medical aspects of terrorism
...tor with the Howard Hughes Medical Institute, will moderate the forum, which will feature the following topics and speakers: Medical aspects of bioterrorism Dr. Keith Kaye, director of hospital infection control, Duke Hospital, and assistant professor, Division of Infectious Diseases; Medical ...Molecular basis of mental retardation uncovered
...n 4,000 females worldwide.Symptoms include mild to moderate cognitive and behavioral deficits as wellas subtle facial malformations. In addition, the brain cells, or neurons,of people with the disease have abnormal physical features: their"dendritic spines" - the finger-like projections on the ends of neurons......rently specific fashion. Treating tumor cells with moderate levels of arsenic mimics the effect seen in cells lacking telomerase, including shortening of the telomeres and the accumulation of structurally abnormal chromosomes. The transcriptional silencing of the telomerase subunit by arsenic is not fully und...New Phase 2 study shows ankylosing spondylitis patients respond to ENBREL (etanercept)
...es, and patient and physician global assessment of moderate or higher disease activity. Patients were able to continue nonsteroidal anti-inflammatory drugs (NSAIDs), prednisone and disease modifying anti-rheumatic drugs (DMARDs) at stable dosages during the trial. Results after four months showed that: ...