Vitals, Not Vibes: Inside the New Anatomy of Personal Health Agents
A personal health agent shouldn’t just chat about sleep; it should compute it, contextualize it, and coach you through changing it. The paper we review today—The Anatomy of a Personal Health Agent (PHA)—is the most structured attempt I’ve seen to turn scattered “AI wellness tips” into a modular, evaluable system: three specialized sub‑agents (Data Science, Domain Expert, Health Coach) orchestrated to answer real consumer queries, grounded in multimodal data (wearables, surveys, labs). It reads like a playbook for product leaders who want evidence‑backed consumer health AI rather than vibe‑based advice. ...