H3 Therapy's specialized hyperbaric treatment may be based on a complex scientific principle, but its main ingredient is simple: oxygen. First, the inflating chamber is infused with filtered air that pressurizes the immediate atmosphere. As the pressure increases, oxygen gently pushes its way into the client's bloodstream. According to the system's technicians, this oxygen boost helps the body heal and may even ease symptoms associated with autism, multiple sclerosis, and sports injuries. The chamber can be depressurized and opened from within, and it features a buzzer that occupants can push for help at any time. With these two exceptions, hyperbaric therapy is completely hands-free, so clients can spend the session winding down with a book or trying to connect with their spirit animal.