Rheumatoid arthritis is the most common form of arthritis affecting 1.5 million Americans. This disease causes the small joints of the body to swell, such as the hands, feet, elbows, wrists, knees and ankles. Depending on the severity of the disease, it can affect one’s ability to have sex due to fatigue, stiffness, vaginal dryness, and decreased sex drive. A study found 59 percent of people with RA felt the disease had a negative effect on their sex life. So what’s the fix?