ANN ARBOR, Mich. - A major step was taken in the fight against depression. The National Network of Depression Centers (NNDC) is proud to announce the passage of the ENHANCED Act of 2009 as part of the Patient Protection and Affordable Care Act (H.R. 3590), on March 21, 2010. The ENHANCED Act will establish national “centers of excellence” for the treatment of depression and bipolar disorders.