alexch's almanac

And really, it is because of the popularity of Prozac that the low-serotonin story took hold, even though, Frazer argues, the scientific research has not borne that out.

“I don’t think there’s any convincing body of data that anybody has ever found that depression is associated to a significant extent with a loss of serotonin,” he says.

Delgado also makes this argument. In the 1990s, he carried out a study that showed that if you take a normal person and deplete them of serotonin, they will not become depressed. He says he feels this demonstrates that low serotonin doesn’t cause depression.