If you're looking for stories, consider what genre or type you're interested in. There are many stories that explore complex themes in a respectful and engaging manner.
From a psychological perspective, cannibalism has been linked to various mental health disorders, such as psychosis and schizophrenia. It has also been associated with feelings of power and control, as well as a desire to transgress social norms and boundaries.
From a sociological perspective, cannibalism has been viewed as a way of reinforcing social hierarchies and power structures. For example, in some cultures, cannibalism was practiced as a way of demonstrating dominance over others.