Dr. Tom Cowan, an alternative medicine physician and author, challenges traditional views on cancer and treatment. He critiques the oncogene theory, highlighting its failures and the issues with genetic-causation narratives. Cowan argues that cancer originates in the cytoplasm, not DNA, and suggests chemotherapy offers minimal benefits. He discusses the role of detoxification, structured water, and dietary therapies like fasting in cancer care. His holistic approach emphasizes natural healing, prevention, and the importance of cellular health.