New handheld breathalyzer flags fat burning in real time
TL;DR Summary
A handheld breathalyzer developed with ETH Zurich researchers detects acetone in breath to indicate real-time ketosis and fat burning, enabling at-home weight-management monitoring. It uses a smartphone-guided exhalation and separates acetone before measurement, and its readings aligned with a gold-standard PTR-MS method in a small 12-person trial. If validated in more people, it could help users manage weight without waiting for scale changes; further testing is needed before widespread use.
- Breathalyser can tell if you are burning fat from a single exhalation Nature
- Phone breathalyser can detect when your body switches to burning fat New Scientist
- Smartphone breathalyser detects when your body begins to burn fat The Times
- Breathalyzer can 'sniff out' when your body starts burning fat Medical Xpress
- Breath Sensor Monitors Fat Metabolism at Home Inside Precision Medicine
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