Breast Cancer Treated by Freezing Tumors
In a small but promising study, researchers were able to kill breast cancer tumors by freezing them using a technique known as image-guided, multiprobe cryotherapy.

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.