By Sidhartha Banerjee MONTREAL — The 2023 death of a Quebec teen who was poisoned from a synthetic opioid should raise alarm bells for authorities to do more to prevent similar tragedies, says a coroner’s report released this week. Fifteen-year-old Mathis Boivin died after he consumed N-desethyl isotonitazene, a powerful synthetic opioid. Coroner Stephanie Gamache […]