Interesting parallels to the "epidemic" of Tourettes symptoms among teen girls that exploded over the past 2 years: https://www.wsj.com/articles/teen-girls-are-developing-tics-...
As with gender dysphoria, patients flipped from being majority male to overwhelmingly female in just a few years. They also tended to know others with the symptoms either directly, or from social media feeds whose algorithms fed them more and more content around the topic.