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Health, made legible.

Clear, practical writing on AI in healthcare, camera-based vitals, and how to read the signals your body is already sending.

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rPPG · Explainer

How your phone camera can read your heart rate

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.

6 min read · Health Tech
Latest articles
Responsible AI

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.

5 min read · Aug 2025
Wellness

Five everyday signals your body gives you — and what they mean

Resting heart rate, HRV, breathing rate, recovery and stress: a plain-English guide to the numbers behind a vitals scan and what moves them.

7 min read · Aug 2025
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Fresh writing, regularly

We publish clear, original explainers on health and AI on an ongoing basis. Want a topic covered? Email hello@myhealthbuddy.ai.