Michael R. Freedman, PhD, teaches psychology at the University of Colorado in Boulder, where he also maintains a private practice. Formerly, Dr. Freedman was Chief of Adult Clinical Psychology at the National Jewish Medical and Research Center, where he specialized in treating patients with asthma and other respiratory illnesses. Samuel J. Rosenberg, PhD, is formerly Director of Adult Psychology Training at the National Jewish Medical and Research Center and Assistant Professor of Psychiatry at the University of Colorado Health Sciences Center. He is now Vice President of Ross & Roberts, I...