TIL in the 1980s a man with severe obsessive-compulsive disorder shot himself in the head in an attempt to commit suicide - Instead of killing him, the bullet destroyed the part of his brain that was responsible for his OCD, and he went on to become a straight-A college student five years later

https://www.latimes.com/archives/la-xpm-1988-02-23-mn-44736-story.html

https://www.reddit.com/r/todayilearned/comments/152owfq/til_in_the_1980s_a_man_with_severe/