Karen is an elderly woman with arthritis in both knees, but her right knee is worse, she has difficulty walking, she cannot get up out of a chair without using her hands, Rowen gives her ozone injections into her knees, and Karen says her knee pain is gone, she can walk better and faster, and she can get up out of a chair without using her hands, Karen says “That’s amazing!,” and a few weeks later, Karen is back at Dr. Rowen’s, and she says her knee pain is still gone, she is very happy