What are common causes of back pain?

See below: Common causes are muscle strains, problems with the discs, joints, nerves of the back. Some people get back pain when they are stressed out. Sometimes poor posture, not moving and exercising enough can cause back pain. Smokers get more back pain than non-smokers. People who are depressed often get back pain. There are some serious causes of back pain but these are not as frequent.

Back pain: The back pain can be caused by muscle strain, spinal stenosis, disc degeneration, spondylolisthesis, fracture, nerve impingement ...

There are many!: Pain can arise from the skin surface (infection), adjacent muscles (strain, spasm), spinal facets (arthritis), fracture (traumatic or spontaneous osteoporotic), disc (primary disc pain; {tear or worn away} or displaced upon a nerve), pain from the aorta (ie chronic leaking aaa), even issues with the abdominal organs (kidneys {stones}, spleen, pancreas, liver or gallbladder, etc.) h & p is key.