Published in Genetics and Environmental Health Week, March 12th, 2008
"[S]moking behavior has a known genetic component and smoking is a primary risk factor for chronic bronchitis," wrote Jenny Hallberg, of the Department of Public Health Sciences at Karolinska Institutet in Stockholm. Hereditability accounted for 40 percent of the risk for chronic bronchitis, but, interestingly, 14 percent of the...
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