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 ...

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(Date:10/15/2014)... from strains of influenza virus increases with the latest ... complacent that the most substantial threats have been identified, ... arise when a new virus strain – against which ... in the human population. There have been five such ... which – the 1918 Spanish Flu – cost 50 ...
(Date:10/15/2014)... NXT-ID, Inc. (NASDAQ: NXTD and NXTDW) ... growing mobile commerce market releases photos and video of the recent ... October 13 th . Gino Pereira , ... angel investor Mr. Chad A. Verdi rang the bell.  ... his investors and employees "for their work and dedication in bringing ...
(Date:10/14/2014)... of years since T. rex took its ... scientists is breathing life back into dinosaurs using high-powered ... research has important implications for how dinosaurs used their ... sense of smell and cool their brains. , ... student Jason Bourke, lead author of the new study ...
Breaking Biology News(10 mins):Scientists 'must not become complacent' when assessing pandemic threat from flu viruses 2Photo Release: NXT-ID Inc. Rings Opening Bell of the NASDAQ Stock Market October 13th 2Photo Release: NXT-ID Inc. Rings Opening Bell of the NASDAQ Stock Market October 13th 3Dinosaur breathing study shows that noses enhanced smelling and cooled brain 2Dinosaur breathing study shows that noses enhanced smelling and cooled brain 3
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