jaundice brain damage

https://jaundicebraindamageblog.almoheet-travel.com/understanding-jaundice-brain-damage-causes-risks-and-prevention

When severe jaundice goes untreated in newborns, bilirubin builds up and can cross into brain tissue, causing a type of damage called kernicterus. This leads to lasting problems with movement, hearing, and muscle control. The condition is serious but completely preventable with timely phototherapy or blood exchange.