Tag: "pollutants" at medical news
Indoor smoking bans: Are they creating unhealthy outdoor zones for secondhand smoke?
...rom a study in which they measured the increase of pollutants
from secondhand smoke. Athens is a college town, ...ers who passed by. They found that a rise in the pollutants
was associated with an increase in the number of smokers, and not with motor vehicle traffic. This s...
Scientists equip bacteria with custom chemo-navigational system
...se bacteria to clean up oil spills or remove other pollutants
from soil, water and wastewater. "This new ability to equip motile bacteria with a precise and tunable chemo-navigation system will greatly enhance the impressive arsenal of natural and engineered cell behaviors," says Dr. Gallivan....
First ozone and nitrogen dioxide measurements from MetOp-A
...s and water ecosystems. High levels of atmospheric pollutants
such as nitrogen dioxide produced by fossil fuel combustion, can damage respiratory health and contribute to acid deposition which harms soil and vegetation. Global Ozone The first image above shows total ozone in the atmosphere as measured by t...
10 outstanding scientists chosen as First Environmental Health Science Fellows
...ience and biochemical toxicology to understand how pollutants
can interfere with crucial chemical signaling mess...gned catalysts to remove smell, color, and organic pollutants
from wastewater. Michael D. Laiosa, Postdoctoral Fellow, University of Rochester, combines his tr...
Teens who smoke have increased risk of developing asthma
...ls, family history of asthma, pets, or exposure to pollutants
or secondhand smoke. "The clinical and public health implications for our findings are far-reaching," the authors conclude. "Effective tobacco control efforts focusing on the prevention of smoking in children, adolescents and women of childbearing ...
Soot from wood stoves in developing world impacts global warming more than expected
..., scientists have relied on laboratory measures of pollutants
from cooking fires because field tests have been difficult to conduct, in part, because of limited access to remote locations and a lack of power to operate the scientific equipment, according to Roden. To get a more accurate measure of the environme...
Asthma linked to soot from diesel trucks in Bronx
...researchers had not measured levels of traffic air pollutants
that individuals were being exposed to. "We went in and actually measured personal exposures to traffic pollution, which had not been done before. Our results confirm that diesel soot particles in air pollution are causing exacerbations of asthma in ...
Key to lung cancer chemo resistance revealed
...led NRF2 normally protect cells from environmental pollutants
like cigarette smoke and diesel exhaust by absorbi...cells by directing proteins to absorb and pump out pollutants
and chemicals. The NRF2 gene makes a "trigger" protein which starts the production of other protein...
Exposure to PCBs may reduce the effectiveness of vaccines in children
...l evidence suggests that exposure to environmental pollutants
may have an adverse impact on immune responses to childhood vaccinations. The research appears in the Aug. 22, 2006, online edition of Public Library of Science Medicine. The study looked at two groups of children in the Faroe Islands, which are lo...
Washington, DC getting a summertime air quality exam
...basis. Aura sensors can detect five of the six air pollutants
regulated by the U.S. Environmental Protection Age...you see in great detail the whole chemical soup of pollutants
near the surface from the state's air quality monitoring site located here. Multi-instrument observa...
World Trade Center dust cuts lung function capability in rescue workers
...ed later. The researchers noted that exposure to pollutants
at the World Trade Center have been implicated in problems like "WTC cough" and upper and lower airway inflammation with airway obstruction and bronchial hyperreactivity. "In contrast to the pronounced influence of arrival time and work assignment ...
The brain, traffic and nano-circuits -- e-Science takes on major challenges
...cal weather conditions affect the concentration of pollutants
that individuals are exposed to as they move around. The 3.5m PMESG (Pervasive Mobile Environmental Sensor Grids) project, led by Professor John Polak at Imperial College London, is jointly funded by the EPSRC and the Department for Transport. It w...
Many cleaners, air fresheners may pose health risks when used indoors
...n household cleaners and air fresheners emit toxic pollutants
at levels that may lead to health risks, according...ational Laboratory. Exposure levels to some of the pollutants
and to the secondary pollutants
formed when some of the products mix with ozone may exceed regulat...
Smell of success for nanobiosensors
...food, test cosmetics and pharmaceuticals, identify pollutants
or scan for drugs and bombs at airports, replacing chemical sensors that are only able to detect a single substance....
Indoor air purifiers that produce even small amounts of ozone may be risky for health
...ing paint, cleaning supplies and pesticides. These pollutants
are believed to aggravate respiratory and other health problems. Indoor air purifiers are advertised as safe household products for health-conscious people -- especially those who suffer from allergies and asthma -- but some purifiers produce ozone d...
Ozone recovering, but unlikely to stabilize at pre-1980 levels, says study
...ult of the 1987 Montreal Protocol banning chlorine pollutants
from the atmosphere, said Betsy Weatherhead, a researcher with the Cooperative Institute for Research in Environmental Sciences, a joint institute of CU-Boulder and the National Oceanic and Atmospheric Administration. But by the end of the century, ...
Children living near major roads face higher asthma risk
...long-term exposure or early-life exposure to these pollutants
were among the most susceptible." Children who liv...lution regulations typically focus on regional air pollutants
rather than localized exposures within communities, such as living near a busy road, that may also b...
In utero exposure to urban air pollutants can increase risk
Prenatal exposure to air pollutants
in New York City can adversely affect child develo...lth. Previous studies have shown that the same air pollutants
can reduce fetal growth (both weight and head circumference at birth), but this study, which examine...
A Jekyll and Hyde of cytokines: IL-25 both promotes and limits inflammatory diseases
...n the environment, whether they are industrial air pollutants
or molecules of peanut oil. "It is possible that for most of human history, cytokines like IL-25 have promoted type 2 T helper cells that fight infection with intestinal parasites like Trichuris, " said Colby Zaph, a co-author and Irvington Research ...
Poor, ethnic children at greater risk for exposure to toxic pollutants
...a significantly greater risk for exposure to toxic pollutants
that can affect their cognitive development and ot... in a review of social injustice and environmental pollutants
and their effects on children published in the March/April issue of Child Development. Researchers ...