Tag: "diesel" at medical news
Hong Kong think tank calls for pollution standards
...ng of coal for energy, emissions from gasoline and diesel
vehicles and the burning of other organic material such as vegetation and trash. "By far the highest levels in the region were found in Guangdong where measurement sites showed levels of particulates as high as four times the U.S. National Ambient Ai...
New UNC, EPA 9/11 study suggests that pollutants posed small cancer risks
...om Sept. 23, 2001 to March 27, 2002. The fires and diesel
equipment used in the cleanup produced the PAHs, as did cars and buses in New York City. "We found that the levels of PAHs were very high soon after 9/11 about 65 times the normal values but that they diminished rapidly over the next month or so as...
U.S. push for diesel poses risk to public health, scientists say
...awmakers and car manufacturers advocate widespread diesel
use in passenger vehicles as a strategy for reduci...lacing gasoline vehicles in the United States with diesel
vehicles - equipped even with the most modern pollution controls - may increase smog production over...
Air pollution may significantly worsen respiratory allergies in individuals with genetic risk
...researchers have found that airborne components of diesel
engine exhaust significantly worsen allergy sympto...fferers particularly susceptible to the effects of diesel
particles. Results appear in the Jan. 10 issue of Lancet. "We've known that diesel
Small and deadly
...10, 80 percent of the particle pollution came from diesel
engines, which some researchers consider to be more toxic than gasoline emissions. The smallest particles, Sioutas stressed, were the most toxic. "They're the easiest to inhale," he said. "They can flow all the way down into the alveoli and coat t...
UCI to lead first public health study exploring link between air pollution and heart disease
... are produced primarily by engine combustion, with diesel
engine exhaust containing a particularly high concentration. Because they are so small (less than 100 nanometers in size), they are easily absorbed into blood stream and individual cells. Currently, local and federal agencies do not regulate ultraf...
Caterpillar Inc. bolsters Southern Community study with $1 million gift
...construction and mining equipment, natural gas and diesel
engines and industrial gas turbines, is the largest private gift thus far. The study is an innovative collaboration among Vanderbilt, Meharry Medical College, the International Epidemiology Institute and federally funded community health centers (CHC...
Air pollutants alone may cause asthma attacks
...CLA researchers have shown for the first time that diesel
exhaust particles alone may be enough to induce ac...el helped researchers better isolate the effect of diesel
exhaust particles, a component of air pollution, on asthma. "Previously, we thought that air pollu...
For smokers, air pollution is a drag on the heart
... micrometers (m), which are mainly attributable to diesel
exhaust, exceeded 25 micrograms (g) per cubic meter, hospital admissions for heart attack rose by 91 percent in the general population and even more in current smokers." The same may be true for other urban settings around the world, but the data ne...
New Hampshire lung disease research center funded
...fects of agents such as arsenic, radon, nickel and diesel
exhaust. Funds will also support the recruitment of faculty, and the development of a new, state-of-the-art technical facility in proteomics -- the study of proteins -- that will enable scientists to study the location, structure and function of the...
American Thoracic Society journal news tips for October 2003 (first issue)
...rbon is largely due to emissions from gasoline and diesel
vehicle exhaust in Southern California. The study appears in the first issue for October 2003 of the American Thoracic Society's peer-reviewed American Journal of Respiratory and Critical Care Medicine. AIRWAY INFLAMMATION IN CHILDREN WITH ASTHMA ...
Possible brain cancer-air pollution link to be studied
...concern are the ultrafine particles that come from diesel
engines particles that would likely be plentiful ...icles," Black said. Ultrafine particles, including diesel
soot and other combustion products, are those less than 0.1 micron in diameter (one micron is one mi...
Workplace exposure a significant cause of severe respiratory disease
...ainly with blast-furnaces and foundries, work with diesel
engines and firefighting. Miners and metalworkers were the group most exposed to non-organic dust and smoke, while farmers, bakers and textile workers were mainly exposed to organic dust. Colleagues in the research and co-authors on the paper are: Gi...
Rice study identifies sources of Houston smog particulates
...heir sources of origin. The researchers found that diesel
engines are the primary contributors of fine parti...rces of air pollution like smokestack emissions or diesel
exhaust. By analyzing the amount of these markers in each sample and comparing them to source emissi...
Laser technology helps measure pollution from NYC buses
...transit systems. The study found that conventional diesel
buses are comparatively fuel efficient, but produc...s. Types of buses the researcher's tested included diesel
buses with pollution controls called soot particle oxidation traps and without controls, new compres...
New centers to research, reduce asthma disparities
...usceptibility and stress, smoking, and exposure to diesel
exhaust in provoking asthma symptoms. The Centers will also collaborate on training activities -- a critical feature of the program. "This initiative does not just support individual projects," emphasized Dr. Lenfant. "The partnering institutions i...
People near freeways are exposed to 30 times the concentration of dangerous particles
... 25 percent of its traffic derived from heavy-duty diesel
trucks. By measuring the number of particles and their size at varying distances from the 405 and 710, Hinds and Zhu concluded that the number of ultrafine particles downwind near both freeways was approximately 25 to 30 times greater than the number...
The Lancet Oncology press release
...-year in-the-making report on the toxic effects of diesel
exhaust fumes from large vehicles. The report-which showed that large cities are heavily polluted with emissions that are associated with increased risk of lung cancer-has clear public-health implications for a political administration that does not ...
UCI researchers leading the effort to understand the causes and effects of air pollution
...at other testing sites," Kleinman says. "And since diesel
trucks make up 20 to 30 percent of the traffic, there may be a correlation, especially since these trucks do not face the same exhaust standards in California that cars do." Dust in the Wind: More Than Pretty Sunsets While contributing to the beaut...
Study confirms air pollution linked to slowed lung function growth in children
...e Southern California air comes from combustion of diesel
fuel, so the link to carbon might hint at a genera... association between lung function and exposure to diesel
exhaust particles such as those from trucks. The latest findings also showed a link to ozone levels....