This might be a stupid question, I might indeed be stupid. But what is the actual process going on inside my body at 290lbs when I go hiking for example?
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I have become a big fan of the Huberman Lab podcast series. Go to episode 21 on May 21, 2021. it’s great deep dive into exactly what you want to know.
I think body fat is eventually burned as energy and breathed out through the lungs – if you wanted to know where the fat goes.
I remember a show i watched long ago, the person giving the lecture said that if you were breathing hard then you were burning sugar and adrenaline and if you could talk to the person beside you with out panting, talk easily, then it was likely you were burning fat. i ttakes time for the fat to get read and get to where it is going and sugar is a faster fuel.
I am not sure if this is still valid, i imagine there has been all kinds of study gone into it since that show.
Triglycerides (fat) go into mitochondria. The fat energy is released through hydrolysis and turns into water (that you breathe out and piss) and carbon dioxide (that you breathe out). Approximately 3500 calories per pound of fat, which is a 7.9 cm cube just about.
-Bro Science Expert who once had to memorize the Krebs Cycle for academic reasons. Glad I’m finally once able to make use of my science degree here.
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