[nerevarthelame]

Every study that suggests viability of SSRIs to treat or prevent Long COVID presents plausible mechanisms for why they might have that effect. And none of them are "the patients are probably just sad and faking it."

[FooBarWidget]

Symptoms caused by sadness are not necessarily fake.

[Earw0rm]

"Cause" is necessarily a slippery concept in a dynamic system governed by feedback loops so complex that we only understand maybe 20%.