I continue to find this diffucult to get to the bottom of myself. I think emotional issues can be so much more than just toxicity. It can be emotional problems stemming from the way were brought up to general unhappines in the way we are living our lives. It may be that we are depressed because we dont like our job, relationship, living conditions etc or are just under stress from other things in life such as looking after sick relatives, living with debt etc.

If you are going to explore other ways as well for dealing with emotional problems i would steer clear of psychiatrists. I work in this field and a psychiatrist is likely to take a biochemical approach to your difficulties and probably go down the route of medication. CBT can be uselful but it is limited and wont touch on any deeper issues if there are any. You might be better off starting with a counsellor and see what emerges from there.