The Total Healthcare Center was the first in Korea to provide health screening services. As the largest healthcare complex in Korea, the center is able to provide healthcare services to more patients than any other facility. The Preventive Health-care Center provides not only regular health check-ups and cancer screening, butalso management of abnormal health screening findings, occupational disease diagnosis, business compatibility assessments, epidemiological research on hazar-dous substances, public health education, and statistical analysis through the Occupational Environment Medicine Department.