Ozone is a powerful antioxidant found in nature. It has been found as a protecting agent for life on earth. It prevents us from ultraviolet rays. Ozone contains oxygen molecules. Ozone is an active and reactive form of oxygen which quickly combines with blood, lymph and other tissues of the body and purifies them. Oxygen is an important factor to sustain life. Lack of adequate oxygen is known to promote cancer and many other medical diseases.