The Supreme Court of Canada heard the case of Toronto patient Hassan Rasouli Monday, which centres on the complex and often deeply painful issue of who should decide end-of-life care. With an aging demographic, increased life expectancy and ever more sophisticated technological interventions, these kinds of cases will almost certainly become more frequent. This is a welcome chance for the country’s highest court to clarify how end-of-life treatment should proceed when a physician and a patient’s family disagree.