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Fwd: air-mail: smog/cancer connection

>Smog linked to lung cancer in men
>ENN Daily News
>Friday, December 11, 1998
>     Men who do not smoke but live in smoggy areas, such as
>     Santiago, Chile, are more than three times as likely to
>     have lung cancer than men who live in areas with cleaner
>     air.
>Men who live and work in smoggy areas are more susceptible to lung
>cancer, according to a study to be published next week in the
>journal Environmental Health Perspectives.
>The study, conducted by researchers at Loma Linda University in
>Loma Linda, Calif., found that women did not share the increased
>risk of lung cancer with men. However, both men and women face
>increased risk of lung cancer from high levels of soot particles
>and sulfur dioxide in the air, the researchers found.
>This danger from dirty air adds to a growing list of problems
>associated with smog, including asthma and other breathing-related
>ailments, said Frank O'Donnell, executive director of the Clean Air
>"This study is dramatic new evidence that we need much cleaner
>gasoline as well as cleaner cars, sport utility vehicles and other
>light trucks," said O'Donnell.
>Motor vehicles are a primary source of smog-forming chemicals and
>the Environmental Protection Agency is under pressure from
>environmental groups such as the Clean Air Trust to pass tougher
>clean air standards for motor vehicles and gasoline.
>In the study, Loma Linda researchers followed more than 6,000
>non-smoking Seventh-Day Adventists in California for 15 years. They
>found that men who didn't smoke but lived in smoggy areas were more
>than three times as likely to have lung cancer than men in areas
>with cleaner air.
>The scientists had several theories why women seemed less at risk
>of cancer from smog, including that men spend far more time
>outdoors in the summer when ozone is worst or that estrogen somehow
>neutralizes the dangerous ozone.
>Last month, the state of California set stricter standards for
>future cars, sport utility vehicles and other light trucks. The
>state already has cleaner, low-sulfur gasoline, which enables
>vehicle pollution control equipment to work properly.
>"Public health and environmental groups believe the U.S.
>Environmental Protection Agency should follow suit with strict
>national vehicle and gasoline standards because smog is a national
>problem," said O'Donnell.
>The study will appear in next week's issue of Environmental Health
>Perspectives published by the National Institute of Environmental
>Health Sciences.
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