When I Graduated High School, I Was Approx. 6'0"-6'1". I

When I graduated High School, I was approx. 6'0"-6'1". I then shot up to 6'4"-6'5" very quickly & as this happened, I began experiencing back issues: pain and a slight curve in my mid-back. I meet with my chiropractor every 3 weeks, and while the pain has decreased dramatically, I am still self-conscious about the curve. She says that it is NOT scoliosis, but rather just a curve resulting from poor posture. Is there any chance my back will straighten itself out? or am I stuck with this for life?