I've had lower back pain and stiffness for at least 15 years, I'm now 39 yrs old. My neck, shoulders and inbetween my shoulder blades ache virtually all day and seems to be getting worse. More recently my knee has been sore. I've been to chiropractors over the years, they have improved it to a point but it gets expensive. Should I go a GP? I went years ago and just sent me with a prescription for Ibuprofen and felt like a was wasting their time. It's really starting to get me down now as I like to keep active, I was also recently diagnosed with Asthma which doesn't help. Any suggestions?