Tag: "exposures" at biology news
Managing occupational exposures to potential bioterrorist agents
... in place for the medical management of laboratory exposures
to these agents. And while information on preventing occupational exposures
to high-risk agents is widely available, literature on medical management of these exposures
New study in moths shows insects not entirely ruled by instinct
...e odor connected to food," Daly said. "After a few exposures
to this odor, moths automatically started sucking for the food, even when they weren't rewarded with food. They also learned to not respond to the odor that was unrelated to food. "After learning, the way their nervous system responded to odor change...
Harmless virus helps slow HIV by boosting immune proteins
...cause patients would need only a limited number of exposures
to see benefits. He and his colleagues are now considering a clinical trial in which HIV patients would be infected with the virus. "The fact that GBV-C is such a common infection, and that's it's been so extensively studied and not shown to cause a...
Thimerosal, found in childhood vaccines, can increase the risk of autism-like damage in mice
...y burden through other sources, including in utero exposures
to mercury in fish or vaccines, may also lead to damage in susceptible hosts. Timing and quantity of thimerosal dosing for the mouse model were developed using the U.S. immunization schedule for children, with doses calculated for mice based on 10th...
Gene at root of urban air pollution's lung effects
...worth. "While the body's response to environmental exposures
can facilitate the clearance of pathogens, it can ... in directing the lung's response to environmental exposures
by highlighting its potential importance in exacerbation of asthma following ozone inhalation. The r...
Indoor mold, building dampness linked to respiratory problems and require better prevention
...nimal studies of short-term, high-level inhalation exposures
to microbial toxins be supplemented with new research that evaluates the effects of long-term exposures
at lower concentrations. Moisture and mold problems stem from building designs, construction and ma...
Latest findings on PCBs to be subject of June workshop at Illinois
...human health consequences of similar environmental exposures
to PCB-contaminated soils near former production plants in Anniston, Ala., and in eastern Slovakia. PCBs were used extensively, beginning in the 1930s, in many industrial compounds that found their way into caulking materials, inks, paint...
New research outlines public health consequences
...onship between the intensity and duration of their exposures
to airborne pollutants and the severity of their p...n. "Our results indicate that the environmental exposures
following the WTC disaster were associated with profound adverse effects on respiratory health," sai...
Sick Kids researchers look at viral triggers for multiple sclerosis in children
...BV. In the paediatric patients, we can study viral exposures
more easily, as children have fewer viral exposures
due to their young age," said Dr. Brenda Banwell, the study's principal investigator, a Sick Kids ne...
Research finds lawn chemicals raise cancer risk in Scottish terriers
...xamine the dogs' diet, lifestyle and environmental exposures
for a possible link to bladder cancer. In an earlier study, Glickman and his colleagues found Scotties are already about 20 times more likely to develop bladder cancer as other breeds. "These dogs are more sensitive to some factors in their environme...
Pre-term labor drug sensitizes brain to pesticide injury
...study suggests that certain early drug or chemical exposures
can predispose people to particular ailments, he a... the insecticide can occur on produce. The highest exposures
to environmental contaminants, including chlorpyrifos, occur in young children due to the fact that ...
Study points to possible cause of asthma exacerbations
...with the condition more sensitive to environmental exposures
such as endotoxin. But how viral infections contri...fic response of asthmatic airways to environmental exposures
is a typical feature of asthma, Hunninghake said. "The next phase of these studies is to determine i...
Study shows benefits to newborns from federal ban on insecticides
...o January 2001, newborns with combined insecticide exposures
in the highest 26th percentile had birth weights a...gnificant inverse association between the combined exposures
and newborn birth length. However, when they looked at the relationship between insecticide exposure...
National Academies news: Report on EPA's particulate matter research
...resses multiple air pollutants, because real-world exposures
involve complex mixtures of hundreds of air contaminants. EPA should continue to seek independent review of its particulate matter research program. ...
Cancer health risk significantly underestimated by EPA's ambient model estimates
...inues to represent an important source of personal exposures
to VOCs. She said, "The good news is that indoor sources can be controlled. Environmental tobacco smoke is the greatest culprit but other more subtle contributors, such as cleaning solvents and air fresheners, add up to represent a sizeable fraction ...
Exposure to low-level magnetic fields causes DNA damage in rat brain cells, researchers find
...cientists further found that the damage from brief exposures
appears to build up over time. The new study is scheduled to be published in Environmental Health Perspectives, a journal of the National Institutes of Environmental Health Sciences, and is available now on the Internet. In the ...
Scripps scientists say genetic mutation doesn't protect against HIV and plague
...ion with HIV despite having had multiple high-risk exposures
to the virus. The resistant individuals all had the 32-base pair mutation in their CCR5 genes, and that left them with CD4+ T cells with no CCR5 receptors, conferring resistance to HIV infection. Later data showed that individuals who were heterozygo...
Exxon Valdez oil spill impacts lasting far longer than expected, scientists say
...er in "cascade" fashion. "Recognition that chronic exposures
of fish eggs to oil concentrations as low as a few parts per billion lead indirectly to higher mortality shows the critical need to better control stormwater runoff of petroleum hydrocarbons and other toxins," he said. "In a developed country like th...
Common airborne substance makes asthmatics more sensitive to house dust mites: study
...ipitate asthma attacks when there are no clear-cut exposures
to the allergens they are sensitized to," said Dr. Brian A. Boehlecke, lead author of the report, professor of medicine in UNC's pulmonary medicine division and member of UNC's Center for Environmental Medicine, Asthma and Lung Biology. "Now it a...
Study explores safety of low-dose radiation
... Hiroshima and Nagasaki in 1945 have linked higher exposures
to lower IQ and smaller head size. In fact, most of the information about human cancer and other risks from radiation exposure came from the aftermath of those bombings. "We know it must create problems for the embryo," says Dr. Catherine Bladen, po...
1 2 3 4 5 6