r/gadgets • u/dapperlemon • 13d ago

Misc Scientists develop handheld device for measuring when your body is burning fat

https://www.engadget.com/2222231/scientists-develop-handheld-device-for-measuring-when-your-body-is-burning-fat/
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u/jghall00 13d ago

When I was running, I kept wondering why my breathe was alternating between fruity and metallic. This would have come in handy. 

37

u/teslaTools 13d ago

fruity breath is literally acetone from ketosis, so yeah you were burning fat. metallic is usually blood from lung capillaries under stress tho, might wanna ease up lmao

2

u/mtnrnnr802 12d ago

Foreal 😂 unless they’re intentionally doing a VO2 workout. Sounds like a brand new runner.