Exposure to smoke in cars may worsen asthma: study

May 30, 2014 3:22 PM

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NEW YORK (Reuters Health) - People with asthma may face increased risk from secondhand smoke exposure while riding in the close quarters of a vehicle, according to U.S. researchers.

In a survey covering four southern states, people exposed to secondhand smoke in vehicles were twice as likely to have asthma compared to those who were not exposed.

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