The anatomy of a personal health agent

Learn about Google Researchers research prototype, an LLM-powered personal health agent that analyzes data from everyday wellness devices paired with health data, such as blood biomarkers, to offer evidence-based health insights and to provide a personalized coaching experience.

The rapid advancement of large language models (LLMs), combined with data from wearable devices, presents a transformative opportunity to empower people on their personal health journeys. However, health needs vary from individual to individual. Answering a specific query, such as, “On average, how many hours have I been sleeping this last month?” requires different skills than an open-ended question like, “What can I do to improve my sleep quality?” A single system can struggle to address this complexity.

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