Yeah, I saw a lot of bad takes on Twitter related to the "debunking of the serotonin myth" with the insinuation that they'd finally proven that serotonin itself has absolutely no involvement in depression or anxiety, and it was all just a big hoax perpetrated by Big Pharma.

And then you read an article like this:

> The receptor has proven crucial to understanding the neuropharmacology of the psychedelic experience induced by classical hallucinogens. LSD, mescaline, psilocybin—they all interact with 5-HT2A. (In certain circles, the phrase “5-HT2A agonist” has supplanted “psychedelic”...

5-HT2A receptors, of course, bind to serotonin (or at least that's our primitive theory of what's going on).

We've known for 70 years now that monoamines like dopamine, serotonin, norepinephrine, etc. greatly influence mood. But our model of the brain is primitive, though that doesn't mean our current theories regarding these neurotransmitters like serotonin aren't on the right track.