- Weed-Friendly Posts on Social Media Get Teens Using Cannabis. More than 80% of participants reported seeing pro-cannabis messages. These posts talked about being high or claimed marijuana was harmless. The pro-cannabis messages most often encountered were from celebrities or in song lyrics. https://www.tandfonline.com/doi/full/10.1080/10410236.2022.2162707?journalCode=hhth20 719 comments science