There is no evidence for the chemical imbalance hypothesis. Your friend anecdotal evidence is contradicted by a large body of emprical research. For a good over

There is no evidence for the chemical imbalance hypothesis. Your friend anecdotal evidence is contradicted by a large body of emprical research. For a good overview of the evidence on SSRIs on depression I would recommend the article "antidepressants and the placebo effect". https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4172306/?report=classic https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4172306/?report...