More men get cancer than women do, and more boys than girls. With certain cancer types, a lot more. The American Cancer Society says about half of men get cancer at some point, compared to closer to one-third of women. Why?
It's long been a puzzle, but some Boston-based research just out in the journal Nature Genetics finds a possible key in the X chromosome. (Grade school biology reminder: Females have two Xs, males have an X and a Y.)
