Epidemiological Studies of Specified Rare and Intractable Disease

Masakazu Washio St. Mary’s College Kurume, Japan   Gen Kobashi Dokkyo Medical University Tochigi, Japan

1 Introduction.- 2 Risk factors for Ossification of posterior longitudinal ligament in Japan.- 3 Descriptive and analytic epidemiology of idiopathic osteonecrosis of the femoral head in Japan.- 4 Risk factors for Amyotrophic Lateral Screlosis.- 5 Risk and preventive factors for Parkinson's disease in Japan.- 6 Descriptive and analytic epidemiology of idiopathic normal pressure hydrocephalus (iNPH) in Japan.- 7 Risk and preventive factors for idiopathic pulmonary fibrosis in Japan.- 8 Epidemiology of ulcerative colitis in Japan.- 9 Epidemiology of Crohn’s disease in Japan.- 10 The role of gene environment interaction in the aetiology of SLE.- 11 TNF receptor‐associated periodic syndrome (TRAPS).