The US Navy Experimental Diving Unit has released a review of 1,792 men and women who served as US Navy divers for both saturation and/or experimental dives. All the divers were on active duty between 1960 and 1990. This is an amazing review of long term diver health.
Chung, J; Brugger, J; Curley, M; Wallick, M; Perkins, R; Regis, D; Latson, G. (2011) Health survey of U.S. Navy divers from 1960 to 1990: A first look. US Navy Experimental Diving Unit Technical Report 2011-11 RRR ID: 10138