A heat dome trapped hot air over the province, pushing temperatures to record highs for several days, killing more than 600 people. The heat dome revealed how schizophrenia combined with poverty, precarious and poor-quality housing, medication effects, stigma and social isolation led to a uniquely lethal risk. How schizophrenia increases heat risksIn a recent study, we interviewed 35 people with schizophrenia who lived through the 2021 heat dome for a more granular look at what it took to survive. This means many never received—or trusted—urgent alerts issued during the heat dome, and knowledge gaps were common. Structural solutions neededThe 2021 heat dome was tragic—more so because deaths were not inevitable.