HealthMindTrack

HealthMindTrack

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Learn

Short articles written in plain language — the same library appears in your cabinet once you have an account.

Technology

How we measure

Camera and microphone, on the phone. Honest status on every vital — measured, early estimate, or lab log.

Basics

What is heart rate variability?
Why the gaps between beats matter more than a single BPM number — and what we can and cannot infer from them.
4 min

How to measure

Measuring with your phone camera
How fingertip PPG works, what helps the signal, and why the browser is not where the scan happens.
5 min

Reading your data

Privacy

Why raw video never leaves your phone
On-device processing, what syncs to your account, and how to revoke optional uploads.
3 min

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