alt Hacker News> but serotonin is produced/located in the gut, and its an incredibly important neurotransmitter.
Serotonin in the gut doesn’t go to your brain. It serves a different function in the gut.
The brain synthesizes serotonin inside of the brain. It doesn’t come from your gut.
Thanks for following up with a correction. This is a myth that simply refuses to die. I cannot even count the number of times I’ve heard people repeating it.