"Benjamin Button" disease is another name for progeria syndrome, a rare genetic disorder that causes rapid aging in children. It is also known as Hutchinson-Gilford progeria syndrome (HGPS) . The disease is triggered by a genetic mutation and is fatal. Symptoms of progeria syndrome include hair loss, thinning bones, and stiff joints, among others. There is no cure for progeria syndrome, but treatments can help manage symptoms and improve quality of life.