A1c Test Identifies Diabetes, Heart Risk
You don't have to fast before taking the newly recommended A1c test to screen for diabetes -- and it spots early diabetes and heart disease better than the older test.

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.