DEAR DR. ROACH: I suffered a lower back injury in 2001, with crushed and bulging discs in the L2, L3, L4 and L5 vertebras. After over a year of physical therapy and drugs, my pain doctor tried an epidural injection, which did not work, and then suggested I try something new at that time called … Continue reading GOOD HEALTH: Radiofrequency ablation considerably lessens back pain