Hospital Food by Eels delves into the feelings of despair, isolation, and the mundane nature experienced during a hospital stay. Key themes in the song include confinement, the struggle with health issues, and a yearning for normalcy. The poignant moments in the song highlight the monotonous and emotionally draining life during hospitalization, using 'hospital food' as a metaphor for the bland and uninspiring experience that comes with prolonged illness.