this post was submitted on 10 May 2026
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me_irl

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[–] jama211@lemmy.world 4 points 1 day ago (1 children)

Sorry to be that guy but technically it's not metabolism changes, whilst they exist they're fairly minimal, it would've been a combination of still growing which uses a lot of calories plus teens and younger adults tend to be far more active and therefore burn more calories in a day too. It's mostly that, not much of a change in metabolism.