A new study from the Institute for Health Metrics and Evaluation at the University of Washington finds nearly half of the cancer deaths around the world can be attributed to preventable risk factors like smoking, drinking and having a high body mass index. Kelly Compton is with the institute. She's one of the study co-authors. 

<p>A new study from the Institute for Health Metrics and Evaluation at the University of Washington finds nearly half of the cancer deaths around the world can be attributed to preventable risk factors like smoking, drinking and having a high body mass index. Kelly Compton is with the institute. She's one of the study co-authors. </p>
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