Higher sun exposure, extended exposure to chemicals like pesticides on fields, lots and lots of reasons beyond what most people assume (steroid/ PED use).

Those tend to be the ones that “get you” at an older age.

I’m sure there are going to be a lot of retired athletes interested in the metastatic melanoma results here of course, but bone or testicular/ovarian cancer hitting 25 year olds (eg, Lance Armstrong) is just kinda brutal.

And childhood leukemia is the biggest dick of them all.