New Plavix Warning: Lack of Effect in Many People
The anti-clotting drug Plavix will get a new "black box" label warning that normal doses don't work for 2% to 14% of patients.
Tumor-Melting Virus vs. Prostate Cancer
Reovirus is harmless to normal cells -- but it destroys many kinds of cancer cells. A new study in patients with prostate cancer takes the virus closer to being a new cancer treatment.