b'Medical oncologist Medical oncologist Gloria Morris, MD, PhD, explains the genetic links to prostate cancer Gloria Morris, MD, PhD, explains the genetic links to prostate cancer. Psychologist. Psychologist Brett Steenbarger, PhD, discusses how to improve one's performance through solution-focused therapy Brett Steenbarger, PhD, discusses how to improve one's performance through solution-focused therapy. Doctor of physical therapy. Doctor of physical therapy Amy DeBlois tells how physical therapy can help people with Parkinson's disease. Amy DeBlois tells how physical therapy can help people with Parkinson's disease.'