Human: What is the difference between a chiropractor, an osteopathic doctor, and an acupuncturist? Assistant: 
An acupuncturist uses acupuncture to treat physical and mental ailments. An osteopathic doctor specializes in treating musculoskeletal problems with hands-on manipulation of joints and muscles. A chiropractor focuses on the spine and its relationship to the rest of the body, including nerves and soft tissue.