https://scitechdaily.com/regular-exercise-induces-changes-in-dna/

A study from scientists at Lund University found that exercise induces genome-wide changes in DNA methylation in human adipose tissue, potentially affecting adipocyte metabolism.

Adipocyte metabolism is metabolism of The adipose tissue which is a central metabolic organ in the regulation of whole-body energy homeostasis. The white adipose tissue functions as a key energy reservoir for other organs, whereas the brown adipose tissue accumulates lipids for cold insulation.