Vitals, Not Vibes: Inside the New Anatomy of Personal Health Agents
TL;DR for operators Personal health AI is usually sold as a friendly chatbot with a fitness tracker bolted on. This paper argues for something more awkward, more expensive, and much more plausible: a coordinated system of specialised agents. One agent analyses longitudinal wearable and health-record data. One grounds advice in health knowledge and user context. One handles coaching, goal-setting, and behaviour change. An orchestrator decides who should act, who should support, what should be remembered, and how the final answer should be assembled.1 ...