Americans' Changing Lives: Waves I, II, III, and IV, 1986, 1989, 1994, and 2002 (ICPSR #4690)

The Americans' Changing Lives (ACL) study is the oldest ongoing nationally representative longitudinal study of the role of a broad range of social, psychological, and behavioral factors (along with aspects of medical care and environmental exposure) in health and the way health changes with age over the adult life course.

The ACL study has established an informational web site.

http://www.isr.umich.edu/acl