Randall Singer, professor at epidemiology at University of Minnesota After the congressional hearing, he says a ban could do more harmthan good.

VOA: standard.2010.07.21

Their research is published in the journal Cancer Epidemiology, Biomarkers & Prevention.

VOA: standard.2010.06.30

The good news is that progress against cancer has been made on many fronts,says Susan Gapstur, vice president of Epidemiology at the American Cancer Society and co-author of a commentary in the journal.

VOA: standard.2010.03.25