How does ozone therapy help? It can be used in water purification, disinfecting water, removing algae, oxidizing iron and manganese, and removing color and odor. It can be used to treat air, eliminating odors, sterilizing the air and removing and neutralizing pollutants like cigarette smoke and noxious gases. It can also prevent cross contamination of airborne diseases like influenza and tuberculosis. In medical fields, ozone therapy can purify and oxygenate blood to compliment normal procedures, improve the immune system, assist in cancer treatment, diabetes, and for treating wounds, ulcers, and skin ailments.