The document discusses different camera techniques used in drug-related films like Trainspotting and Requiem for a Dream to portray the effects of drugs on characters. These techniques include point-of-view shots, quick editing, fish-eye lenses, close-ups of facial expressions, high and low angle shots, and settings that look old, dirty and dark. The document analyzes how each technique aims to make the audience feel confused, disoriented, afraid or immersed in the character's perspective to depict the drug experience. It suggests using several of these techniques in flashesbacks and scenes for a new film being made to set the tone and portray similar feelings and experiences.