Scientists remove “zombie” cells and reverse liver damage in mice

Thu, 16 Apr 2026 13:59:44 +0200

A rogue set of “zombie” immune cells may be driving aging and fatty liver disease by flooding tissues with inflammation. Researchers found these cells accumulate with age and high cholesterol—and can make up most of the liver’s immune cells in older mice. When scientists removed them, liver damage was dramatically reversed, even without diet changes.