What mental illnesses did Art suffer from?

[AZZERAE]

Antidepressants or anti-psychotics given to those without an imbalance in brain chemistry certainly can rewire the brain undesirably, and while this is cause for concern (due to many of the tests of the drugs being inconclusive at best) psychiatric medications introduce an abundance of neurons that can be helpful to many.

[Jojo]

Antidepressants or anti-psychotics given to those without an imbalance in brain chemistry certainly can rewire the brain undesirably, and while this is cause for concern (due to many of the tests of the drugs being inconclusive at best) psychiatric medications introduce an abundance of neurons that can be helpful to many.

Search engine calls it "neuro-genesis".