Ontario Health Study Registration

Your participation will help contribute to a healthier future. Before creating your account and completing the online questionnaire, you may be interested in signing up to visit a Local Study Centre in your area. If you are interested in visiting a Local Study Centre, please see the next section below for a list of current locations, or click here to continue to create an account and complete the OHS questionnaire without booking an appointment.

Sign up and book a local Study Centre appointment

Sign up WITHOUT booking an appointment

Current Local Study Centre Opportunities

The OHS will be opening Local Study Centres in towns and cities throughout Ontario on a rotating basis. If you are between the ages of 30 and 74 and are interested in making an appointment, please select your location below. If there is no location near you, please click here to create an account, and in the near future you may receive an invitation to participate when a Local Study Centre will be opening near you. 

December 2016

MaRS Study Centre
MaRS Centre, Lower Concourse,
101 College Street, Toronto Ontario M5G 1L7

December 6, 2016
Tuesday, December 6, 9am-5pm

This location is wheelchair accessible.
Please note that only blood samples will be collected at this location.

Sign up for the Study and book an appointment

Already an OHS Participant? Login to book an Appointment



Past Local Study Centres

Since launching our first location in July of 2014, the OHS has opened Local Study Centres in the following locations:

Past Local Study Centres