Americans received a report card for its medication adherence, and the grade isn't exactly worthy of being put on the refrigerator--C+, with one in seven receiving a failing grade. In the National Community Pharmacists Association report card, the group points out treatment of chronic disease, an expensive part of U.S. healthcare, is struggling because many chronically ill patients don't take their medication as prescribed. "Non-adherence can threaten patients' health individually as well as add vast costs to the health care system--an estimated $290 billion annually," the report states. --Read the full story from FierceHealthcare