The examples listed are wayyy more obscure than schizophrenia also this hot take

Some researchers have suggested that both premenstrual syndrome (PMS) and the more severe premenstrual dysphoric disorder(PMDD), which have currently unknown physical mechanisms,[27][28] are Western culture-bound syndromes.[29][30] However, this is controversial.[29][31]

In the middle of a bunch of ultra niche examples

Idk something feels off