AI symptom checkers: a smarter first step, not a final answer
What an AI triage tool is genuinely good at, where it shouldn't be trusted, and how to use one without talking yourself into (or out of) seeing a doctor.
Clear, practical writing on AI in healthcare, camera-based vitals, and how to read the signals your body is already sending.
No cuff, no wearable — just light and a little math. Here's how remote photoplethysmography turns a 30-second selfie video into a pulse, and where its limits are.
What an AI triage tool is genuinely good at, where it shouldn't be trusted, and how to use one without talking yourself into (or out of) seeing a doctor.
Resting heart rate, HRV, breathing rate, recovery and stress: a plain-English guide to the numbers behind a vitals scan and what moves them.
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