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Muscle vs fat I'm just curious, what does your body start using first, muscle or fat? Say that I was stuck on an island or something and I have water but I haven't eaten in a day or two, would my body eat away at my muscle and then stored fat or vice versa?
[ ] Want to answer more questions in the Health & Fitness category? Maybe give some free advice about: Health?
It depends what you're doing... if you exert a lot of energy in a panic, it uses muscle because of the higher energy content... if you're just hanging out, building a fire, etc... it will use fat. ]
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