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atsugnam t1_j2txp6d wrote

Reply to comment by Zestfullyclean87 in A study on obese patients suggests the gut microbiome affects obesity levels. Microbial diversity decreased in obese subjects, and the reduction trend was correlated with the severity of obesity. by glawgii

Ok, again, go and read the study.

They measured the calories dumped in the fecal waste excreted following a fixed calorie intake.

Lean people dumped more calories out per calorie in, their gut didn’t absorb as much of the intake as an obese person did. For the same given intake of calories.

This isn’t about maintaining mass, this is about physically absorbing more of the energy in a given parcel of food.

You’re so fixated on how you think the human body works you aren’t even reading what is in the study.

To couch it in your own words - it’s physics: why is it when a lean person eats a given calorie input do they excrete more calories out in there faeces than an obese person for the same input. How does a lean person get the same calorie absorption when more of the energy went into the toilet?

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