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Science & ResearchJul 23, 2026

Breathalyser can tell if you are burning fat from a single exhalation

Nature, Published online: 23 July 2026; doi:10.1038/d41586-026-02295-w The compact device can measure when the body is in ketosis and could help people to manage weight loss.

Nature, Published online: 23 July 2026; doi:10.1038/d41586-026-02295-w The compact device can measure when the body is in ketosis and could help people to manage weight loss.

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