Dr. Hays is a Director of Mayo Nicotine Dependence Center and Professor of Medicine at Mayo Clinic. He has over 25 years of experience in treating tobacco dependence and researching new approaches to this treatment. This broad experience allows him to blend both the art and science of medicine and use it for the good of his patients. Dr. Hays focuses on effective treatments to help tobacco-dependent patients become smoke-free and reduce their risk of premature death.