FDA Study Finds Vioxx Increases Heart Attack Risk
Patients taking Merck & Co.'s Vioxx arthritis drug had 50 percent more heart attacks and cases of sudden cardiac death than those taking Pfizer Inc.'s rival Celebrex drug, according to a large study financed by the U.S. Food and Drug Administration.
Valassis Communications Inc. VCI.N   said it sued ADVO Inc. AD.N on Wednesday to rescind their   $1.3 billion merger, accusing the direct mail advertiser of   fraud, misrepresenting its health, and failing to reveal   internal control deficiencies.