Being able to erase bad memories and traumatic flashbacks could help in the treatment of a host of different mental health issues, and scientists have found a promising new approach to do just this: weakening negative memories by reactivating positive ones.
Not as futuristic and drastic as in the Apple TV show Severance (highly recommended, and a new season will come out soon after a long hiatus), but this might be a less intrusive way to deal with traumatic memories.
Published in PNAS which is a top journal.