Margaret McKinnon

(She/ her/ elle)

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  • Professor and Homewood Research Chair in Mental Health and Trauma, Department of Psychiatry and Behavioural Neurosciences, McMaster University
The road is blocked off before the Tumbler Ridge Secondary School in Tumbler Ridge, B.C. on Feb. 11, 2026. THE CANADIAN PRESS/Jesse Boily

Tumbler Ridge shootings highlight the need for mental health support for survivors and their community

Margaret McKinnon, McMaster University

The Canadian Emergency Response Psychosocial Support Network offers a directory of mental health services across Canada, a mental health self-assessment tool, and individual and community mental-health tool kits.
Nurses collect samples from a patient in the COVID-19 intensive care unit at St. Paul’s hospital in Vancouver on April 21, 2020. THE CANADIAN PRESS/Jonathan Hayward

Hard choices put health workers at risk of mental anguish, PTSD during coronavirus

Margaret McKinnon, McMaster University and Ruth Lanius, Western University

Moral injury happens when someone is faced with a choice that violates deep moral beliefs. Health-care workers treating COVID-19 might be forced to choose between ‘wrong’ and ‘wronger.’
A young man reacts at a vigil remembering the victims of a shooting on Toronto’s popular Danforth Avenue. THE CANADIAN PRESS/Mark Blinch

Violence in Toronto: How support can help prevent PTSD

Margaret McKinnon, McMaster University

Two acts of mass violence in Toronto this year will have an impact on witnesses, caregivers and even those who watch news reports. An expert on post-traumatic stress explains.

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