Asthma on the rise in U.S.
Wednesday, January 12, 2011 - 13:42
in Health & Medicine
A national survey in 2009 shows 8.2 per cent of Americans have asthma. The rate had been holding under eight per cent for the previous four years.
Updated by artificial intelligence Tue, 13 Jun 2023, 2:53:47 UTC Learn more
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