Prostate cancer becomes more commonplace as men grow older, but also less virulent. An urologist whom I helped with typesetting of his PhD thesis (in LaTeX, fu

Prostate cancer becomes more commonplace as men grow older, but also less virulent. An urologist whom I helped with typesetting of his PhD thesis (in LaTeX, funny guy) told me once that in patients over 70, basically everyone has some cancerous cells in his biopsy samples, but that these usually aren't actually dangerous to the patients.