Does the amount of energy you expend over time technically make you “older” because your atoms are moving more than someone who moves less?

Question

Someone at work brought this up and my head almost exploded because it sounds like total BS. They said if a sedentary mother gave birth to a baby who grew up to become an extreme athlete (ultra marathon runner/someone who just never stopped moving their whole life), technically the baby is “atomically” older because more energy has passed through them. Is this just malarkey?

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Answer 1

There is no such thing as being “atomically” older and age has nothing to do with the amount of energy “passed through” a person.

This is like saying a 5 foot person is taller than a 6 foot person because the 5 foot person does lots of jumping jacks.