Detailed AHS Timeline

* 1958-1966 - Adventist Mortality Study
* 1974-1988 - Adventist Health Study-1
* 1976-Present - Adventist Health Air Pollution Study
* 2002-Present - Adventist Health Study-2
* 2006-Present - Adventist Religion & Health Study
* 2004-2008 - Bi-Annual Hospitalization History (HHF1)
* 2006-2008 - Bi-Annual Hospitalization History (HHF2)
* 2008-2010 - Bi-Annual Hospitalization History Form (HHF3)
* 2010-2012 - Bi-Annual Hospitalization Form (HHF4)
* 2012-2014 - Bi-Annual Hospitalization Form (HHF5)
* 2015-2016 - Bi-Annual Hospitalization Form (HHF6)