Self-Defense and Fitness training. Yun Jung Do is suitable for men women and children of all ages and abilities with unique non-contact training. Benefits include, fitness and flexibility, self-discipline, confidence, humility and motivation, helps relieve stress and anxiety and improve ones well-being through mindfulness and exercise. Techniques have been specifically designed to be natural movements of the body and are easy to learn. Training is at your own pace and learned in a positive environment.