It can increase some tumers
http://finance.yahoo.com/news/FDA-panel ... et=&ccode=
http://finance.yahoo.com/news/FDA-panel ... et=&ccode=
Panelists said it was unclear whether the drugs actually cause the higher-grade tumors or simply make them more difficult to detect. Both Avodart and Proscar shrink the size of the prostate and reduce a key protein used to screen for prostate cancer.