Please use this link to access this publication. Abstract Purpose: This study aimed to review the literature on the impact of medical cannabis (MC) on the quality of life (QoL) of cancer patients. Materials and Methods: A critical review was conducted using PubMed, Latin American and Caribbean Health Sciences Literature, Scopus, Virtual Health Library, and Embase. The inclusion criteria were access to the full content; in English, Spanish, or Portuguese; published until January 2025, relating “Cancer,” “Quality of Life,” and “Medical Cannabis.” Of the 267 articles identified, 16 were selected for the final analysis. Results: The studies suggest that MC can improve mental health, sleep, appetite, and...