The C Word is a 2016 documentary film about the effort to prevent cancer, particularly the research of Dr. David Servan-Schreiber, and addresses the failure of Western medicine's approach to cancer.

[1] Produced and directed by cancer survivor Meghan L. O'Hara, it is narrated by Morgan Freeman.

The director began making the film after surviving Stage 3 breast cancer.

The film identifies four factors to reduce the risk of cancer— diet, exercise, stress management, and toxin avoidance.

[2] In a review for Spirituality & Health, Bilge Ebiri called The C Word a "well-produced documentary" and "a compassionate, touching film.