… In large urban centers, people die from causes related to air pollution each year. In
addition to causing deaths, air pollution is also the cause of a number of immediate, medium-term …

… We conclude that increases in low concentrations of air pollution are associated with … the
measured pollutants themselves, but rather of some other factor(s) present in the air pollution–…

… low level air pollution concentrations with natural and cause specific mortality. Low level air
pollution … national ambient air quality standards, or the 2005 WHO air quality guidelines. We …

… average air pollution level at the residence over the entire pregnancy period for each mother.
In addition, we assessed the effects of average air pollution levels … education as lower than …

… in air pollution … of "low levels" of air pollution. Then we will identify epidemiologic studies
published after 1986 that provide information on health effects at these low concentration levels. …

… This study suggests that ambient air pollutants increase asthma attacks at lower concentrations
than previously believed. However, the results of earlier epidemiological studies are …

… and have lower income, but of similar age and BMI compared with those living in areas
with low NO 2 levels (supplementary table S4). We observed that air pollution levels were …

… Given that PM 2.5 levels are on average higher in Asia and … in the effects of exposure to low
levels of air pollution led us to … effects of low exposure levels in the areas that such levels are …

… , upper and lower respiratory tract illnesses, and lower levels of … on the effects of air pollution
at levels lower than 100 1±g/ m3.69 … We evaluated the effect of low-level air pollution by …

… data from three Nordic cohorts with low levels of air pollution, objective definition of COPD
… well-established air pollution models with data on a multiple major air pollutants, available …