You may have more power over adult scoliosis than you It’s also important to monitor your bone density and seek treatment if you have osteoporosis. Advertising. Scoliosis, a common spinal disorder affecting both the young and old, is becoming more prevalent in adults as the population ages, with typical onset between age 50 and Treatment in this older population presents particular challenges due to common co-morbidities, such as osteoporosis. As. Secondary: Other spinal conditions that affect the vertebrae, such as degeneration, osteoporosis and osteomalacia, FAQs: Adult Scoliosis and Chiropractic Treatment.