ANTI-AGING THERAPY Since 1991, The Downing Clinic has used “smart drugs”, hormones, amino acids and other treatments to help slow mind and body aging. FIRSTLINE THERAPY - THERAPEUTIC LIFESTYLE PROGRAM The Downing Clinic is pleased to announce that clinic staff are now certified in a research-based health risk reduction and disease management program called FirstLine Therapy. The program offers patients a plan for therapeutic lifestyle changes that will positively impact their health.