FDA Issues Warning to Allergan Over Failure to Perform Adequate Safety Studies on Breast Implants WASHINGTON, DC — The U.S. Food and Drug Administration, or FDA, announced that the agency issued a warning letter to Allergan for improperly handling post-market studies on the safety of breast implants. Allergan, according to … [Read more...] about FDA Warns the Public Over Allergan Breast Implant Cancer Link