📱❤️ Can your smartphone become a heart monitor?

A landmark Nature study demonstrates that passive heart-rate monitoring using a smartphone's front-facing camera can accurately measure heart rate and resting heart rate during everyday phone use—without a wearable device. The AI-powered system achieved industry accuracy standards across diverse skin tones and showed strong correlation with cardiovascular fitness and obesity risk factors.

This work may democratize heart-health monitoring for billions worldwide. 🌍💓

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