None.

The protagonist occasionally behaves violently, driven by animal instincts.

The story takes place in a mental institute and involves mental patients, some of them are violent.

Excess violence towards the protagonist and other patients by hospital workers.

Some blood.

A mental patient repeatedly bangs his head into the wall. Graphic.

3 F*** word, 2 sh** words, and a host of GD's.

Brief cigarette smoking