(CNN, February 10) Taking just one puff of marijuana could increase your chances of creating “false memories,” according to a new study called “Cannabis increases susceptibility to false memories.” The article was published in the Proceedings of the National Academy of Sciences of the United States of America.

This kind of “memory,” could be of something that never really happened or the recollection differs from what really happened.

While everyone – both marijuana users and non-users – can have a “false memory,” this study says that people on the drug are twice more likely to experience them than people who don’t use weed.

“Under cannabis, users can easily accept fake truths for true memory,” one of the study’s authors said. Read more.