title: Although many of the items are natural products, we do not know what harm they might cause in the often excessive quantities that are recommended.
authors.forename: Bruce D
authors.initials: BD
authors.lastname: Cheson
mesh_terms: D002986:Clinical Trials as Topic; D000529:Complementary Therapies / Q000009:adverse effects*; D006801:Humans; D009369:Neoplasms / Q000628:therapy*; D008517:Phytotherapy / Q000009:adverse effects*