Caution Urged in Use of Flea, Tick Products for Pets
In the wake of mounting reports of adverse pet health effects, the Environmental Protection Agency has issued new restrictions on spot-on flea and tick products -- and urges extra care in their use.

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.