Complex sentence: Most who seek chiropractic care do so for low back pain, and back and neck pain are considered the specialties of chiropractic, but many chiropractors treat ailments other than musculoskeletal issues.
Split into simpler sentences: Most who seek chiropractic care do so for low back pain. Back and neck pain are considered the specialties of chiropractic, but many chiropractors treat ailments other than musculoskeletal issues.