In the wake of a lawsuit filed in federal district court in California in August—alleging that an artificial intelligence (AI) chatbot encouraged a 16-year-old boy to commit suicide—a similar suit filed in September is now claiming that an AI chatbot is responsible for death of a 13-year-old girl. It’s the latest development illustrating a growing tension between AI’s promise to improve access to mental health support and the alleged perils of unhealthy reliance on AI chatbots by vuln...