I need to know if there is a disease that eats you from the inside out?

Depression & anxiety: Depression & anxiety come to mind as true diseases that can "eat you from the inside out". While not a disease, OTOH, while not recognized as diseases but rather emotions, hatred, & revenge seekers also come to mind as being eaten from inside out. You can also consider cancer as a disease that eats from inside out. Most deadly infectious diseases also since they end up destroying/killing their hos

Diseases: Cancer, Bacterial or Viral, Blood disorders, Congenital, Major Depression, Addictions.