As a long-time consultant to athletes, members of the Davis Cup and other professional sports teams, world renowned orthopaedic surgeon and sports medicine specialist, Dr. Donald Fareed M.D., designed Band-It® based on 20 years of clinical observation and treatment of repetitive stress injuries.Magnetic products should not be used if pregnant or if fitted with cardiac pacemakers and/or automatic defibrilators. Keep away from magnetically stored data i.e. computers, disks, credit cards, etc