People with cannabis use disorder are up to five times more likely to develop head and neck cancer than non-users.

References:

https://www.eurekalert.org/news-releases/1053923

https://jamanetwork.com/journals/jamaotolaryngology/fullarticle/2822269?guestAccessKey=6cb564cb-8718-452a-885f-f59caecbf92f&utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_content=tfl&utm_term=080824