TORONTO (Canadian Press) -- Canadian scientists have made a major discovery about how cancer spreads: tumour cells appear to co-opt normal cells around them, in effect "talking" them into helping the cancer set up shop in other parts of the body.

SACRAMENTO, Calif. (AP) -- California Gov. Jerry Brown is being treated for early stage prostate cancer, but the 74-year-old chief executive plans to maintain his regular schedule as he undergoes radiation therapy over the next month, said his office, which released a statement from Brown's oncologist calling his prognosis "excellent."

WASHINGTON (AP) -- The Food and Drug Administration on Monday expanded approval of Johnson & Johnson's prostate cancer pill Zytiga for men with an earlier stage of the disease.