My Oura Ring warned me something was wrong - I didn't listen (and quickly regretted it)

The article recounts how the Oura Ring’s Symptom Radar flagged “major signs of strain” before obvious symptoms appeared and then tracked a cold through deviations in body temperature, resting heart rate, HRV, and respiration rate, underscoring wearables’ ability to surface early illness indicators from baseline shifts. It also cites community anecdotes of early detections and emphasizes that while these devices provide valuable, continuous health insights, timely medical care, vaccines, and treatment remain essential.