A collection of selected papers from an international conference on aging and work that was held on September 26th-28th, 2001. This conference was incorporated within the 21st UOEH and the 4th IIES International Symposium 'Occupational health for the 21st century: new development in new directions'. Examines methods for diagnosing and evaluating work ability and employability in response to the changing capacity of employment. Includes sections on : General issues and governmental policy; Measures for healthy aging - lifestyle and exercise; Age-conscious personnel policies and productive aging; Maintaining work ability of elderly workers; Support systems for elderly workers; and Occupational accidents and incidents.