Food Rich with Fiber Helps Fight Arthritis Knee Pain by Asharq Al-Awsat Online | May 28, 2017 | Lifestyle & CultureCairo – Older people who eat the most fiber are at lower risk of developing knee pain and stiffness due to osteoarthritis (OA), new research shows. Diets rich in fiber from plant-based foods have clear health benefits, such as lower cholesterol,...