Edwards, 53, canceled a Tuesday evening house party in Iowa to go with his wife to a doctor's appointment, which his campaign described as a follow-up to a routine test she had Monday.
In May 2012, the U.S. Preventive Services Task Force recommended against routine PSA screening (Prostate-Specific Antigen test to screen Prostate cancer) before being diagnosed as it did not benefit patients.
The German airline, Lufthansa, received its award for being the first carrier to test biofuel in normal flight operations and greening everything from its engine-cleaning routine to cabin equipment, resulting in a full 23 percent emissions reduction.