News and Updates
New Study activities coming for OHS participants, says Dr. Victoria Kirsh
Aug 26, 2025 // Study Updates
Dr. Victoria Kirsh, an epidemiologist with more than two decades of research experience, is the new Principal Investigator and Interim Director of the Ontario Health Study. Read more in the July 2025 Ontario Health Study Newsletter
Women Face Greater Heart Disease Risk from Lifestyle Factors Than Men, Study Finds
Apr 15, 2025 // Study Updates
A new study using OHS data has found that common lifestyle and health factors such as diet, exercise, smoking, and blood pressure have a stronger impact on cardiovascular risk in women than men. The study, led by Dr. Maneesh Sud of Sunnybrook Health Sciences Centre in Toronto, used data which tracked the incidence of heart
OHS data being used to understand breast cancer screening rates
Feb 27, 2025 // Study Updates
The data from more than 135,000 Ontario Health Study participants are being used to explore how breast cancer screening rates – and what happens subsequent to those screenings – may vary for people of different ethnicities. By linking self-reported health information with provincial health records, researchers aim to uncover potential disparities in access, follow-up care,
What if there was a test to detect breast cancer years earlier?
Feb 21, 2025 // Study Updates
Funding from the 2024 FACIT Prospects Fund is being used to develop a technology that could identify breast cancer markers in the blood several years before that same cancer would normally be identified through a tumour biopsy. Previous data from Ontario Health Study participants were used to develop a proof of concept for this new
