In this article the author covers a few areas to consider in managing mental health: Sleep, Diet, Exercise, Stress Management, Exogenous Compounds (from coffee to melatonin to Prozac, and anything in between) These are certainly important factors, and I think we need to look much more broadly at underlying factors than just these (or just drugs). I've been reading about mental health issues for years with my own ups…
Could you please give some examples of the changes you have made?
Also meditation was for me a pretty good mood improver, but it's more recently helped me uncover some painful thoughts and surface emotions that I'd essentially avoided without realising it.
Lastly, the value of exploring all these things with a therapist can't be overstated, if you have the privilege to afford it.