How does someone’s metabolism impact the calories consumed vs calories burned equation?
In: Biology
Metabolism changes your calories in and your calories out.
Calories in doesn’t mean what goes in your mouth, it means what your body actually extracts in the digestion process. This varies by individual.
Calories out means the actual chemical energy used, which is different for different people even for an externally similar set of actions.
That’s the first order effect. The second order effects are how metabolism affects hunger, satiety, etc. Almost no one is doing perfect portion control and tracking everything with scientific precision. Metabolism affects people’s ability to stay aligned with a given nutrition goal – to keep calories in “up” or “down” as needed.
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