Complex sentence: In addition to his patient care responsibilities, Young directs the clinical research center at RCBM and has been a primary investigator in many national clinical trials, usually involving Attention deficit hyperactivity disorder (ADHD), depression, bipolar disorder, eating disorders, or dementia.
Split into simpler sentences: In addition to his patient care responsibilities, Young directs the clinical research center at RCBM. The clinic participates in several national clinical trials, usually involving Attention deficit hyperactivity disorder (ADHD), depression, bipolar disorder, eating disorders, or dementia.