Word: problem
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Dates: during 1990-1999
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Particulate matter can also aggravate the conditions of those suffering from asthma and chronic bronchitis. And more than just a health problem, the particles and droplets can reduce visibility by clouding...
John DeVillars, EPA's administrator for the New England Region, said he thinks that the research at the SPH will provide a concrete foundation for an understanding of the particulate matter problem...
Sears says he sees moves like this as a solution to the problem because it takes pressure off the clubs...
Folkman says he believes part of the problem in responsibly reporting the results of scientific research is the intrinsic challenge facing journalists who specialize in science when they deal with medical issues...
...once, the problem for the Harvard football team in 1998 wasn't a lack of respect. It was the inability to live up to billing...