Ask AI: What are ghouls in the Fallout universe?

In the Fallout universe, ghouls are humans who have been mutated due to intense and prolonged radiation exposure. They exhibit a drastically changed physical appearance, characterized by decaying flesh and skeletal structure. There are two main types of ghouls: feral and non-feral. Non-feral ghouls retain their human faculties and intellect, while feral ghouls devolve into mindless, zombie-like creatures that are often hostile to other life forms. Non-feral ghouls are often socially ostracized due to their appearance, despite their preserved personalities and mental capability. Both non-feral and feral ghouls possess an extended longevity, often living hundreds of years beyond a typical human lifespan, largely due to the intense radiation exposure that caused their mutation. The same radiation exposure usually sustains ghouls instead of harming them. Indeed, the varying treatment and portrayal of ghouls in the Fallout universe invites players to explore themes of prejudice, discrimination, and humanity.