Field note
Google introduced SensorFM and Health Guardian for continuous wearable monitoring through a Pixel Watch product surface.
New Runtime reading: The shift is from a research model to a persistent sensor-to-alert loop. Evaluation must cover false alarms, missed events, personalization, clinical escalation, privacy, and the exact boundary between wellness guidance and medical claims.
Evidence boundary: this item uses the listed public sources and keeps vendor, author, or reporter claims attributed. The queued page is an editorial synthesis, not an independent validation of every reported metric.