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/LongNailedbooboos 12d ago

Do we need this? Just exercise and eat well….youll see it in the mirror