This is a support group for individuals with Buerger's Disease, also known as Thromboangiitis obliterans (TAO). This is also a support group for family members of individuals with the disease. If you have this disease and currently smoke tobacco, please join a 'quit smoking' support group as well. Buerger's disease (TAO) is a rare autoimmune disease which causes a swelling of the walls of the peripheral arteries, and subsequent reduced or lack of circulation to one or more