20-or-80,-this-organ-of-the-body-is-(mostly)-immune-to-ageing!

Scientists have discovered that the human liver remains remarkably young, averaging under three years old, regardless of a person’s age. This youthful state is maintained through constant cellular renewal, with most liver cells renewing annually. However, a small fraction of cells with more DNA can live up to a decade, potentially acting as a protective mechanism against harmful mutations.