A pharmacist holds a bottle of Avandia pills at Maximart Pharmacy in Palo Alto, Calif., on Wednesday, June 30, 2010. (AP Photo/Paul Sakuma)

Photo by: Paul Sakuma

A pharmacist holds a bottle of Avandia pills at Maximart Pharmacy in Palo Alto, Calif., on Wednesday, June 30, 2010. (AP Photo/Paul Sakuma)