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Epidemiology and Genomics Research Program

Diet History Questionnaire: Request a Web-based Study

Alternate Version Available

You are viewing the web site for the original version of the DHQ. The latest version for the U.S. is the DHQ III; however, DHQ III does not yet have a Canadian version. The Canadian version of DHQ II is still available.

DHQ*Web is a tool that will be made available for research purposes. To request a study, please fill out the following form and click Submit. You will receive an e-mail confirming the receipt of your request. If you do not receive the confirmation, please e-mail All fields are required. You will receive a response within two business days.