JAMA : the journal of the American Medical Association
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JAMA
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Trends in cancer mortality, cardiovascular mortality, and cancer incidence are assessed among US whites to determine whether aging of the population and smoking patterns completely account for increased cancer rates from 1973 through 1987. ⋯ In recent US birth cohorts, our model found that increases in cancer have occurred that are not solely linked to aging of the population and smoking patterns. In light of these results and similar findings in Sweden, changes in carcinogenic hazards in addition to smoking are likely to have occurred and need to be studied further.