Improving air quality helps to reduce children's ear to infect

Improving air quality helps to reduce children's ear to infect
Los Angeles, February 2 (Xinhua)
(The reporter is tall Original) One research report that U.S.A. announce newly reveal, improve air quality contribute to, reduce children's ear, infect the case notably.
The researchers of organizations such as American University of California, Los Angeles,etc. are in the 2nd> says, they have analyzed the data of a national health survey that American official side do on the magazine, over 120,000 children in all have participated in this investigation. Found finally, when air quality is improved, children's ear will obviously reduce when infecting the case.
The informant who participates in this research says, U.S.A. has implemented " clean air law " since the seventies of last century, and strengthen the implementation of this law since 1990, there is obvious improvement in the air quality of the big city a lot in the whole America, children's ear infects the case and thereupon reduces by a wide margin too at the same time.
Researchers point out, the carbon monoxide, NO2, sulfur dioxide and inhalable particles in the atmosphere relate to the fact that children's ear is infected, so improving air quality can reduce the probability that children's ear infects.
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