By Andrew M. Seaman NEW YORK (Reuters Health) – Asthmatic children who are exposed to cigarette smoke are more likely to make repeat trips to the hospital for breathing problems. But researchers say asking parents about kids' smoke exposure may not yield the most reliable information. In a recent study, saliva revealed exposure to tobacco smoke in roughly 80 percent of children brought to the hospital for asthma or breathing problems. But only about a third of parents said their children came in contact with smoke.
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