Foods containing fiber, including grains, fruits, vegetables, nuts and legumes, contain vital nutrients for a healthy diet. Sexuality is an important part of life for many people, and chronic back pain can sometimes interfere. Regular exercise can protect against developing osteoarthritis (OA), or at least delay the onset of it. But what about running? People with rheumatoid arthritis (RA) are at increased risk for diabetes, and the drugs they take appear to play a role.