Analysis of AD as a multistep process Lead Investigator: Neil Cashman Institution : University of British Columbia E-Mail : neil.cashman@vch.ca Proposal ID : 753 Proposal Description: Using a multistep model applied to cancer epidemiology and ALS, we will investigate the hypothesis that AD is a multistep process. The identification of these steps would provide a framework for understanding AD pathogenesis. We expect a strong linear relationship between the incidence rate and AD age of onset in support of the multistep disease model. We will also determine how sex and AD family history affects this linear relationship, and subsequently the number of steps in AD.