we can plainly see what Ketamine + Twitter does to a person.
I know someone in this boat. Was trying K as a therapeutic, doctor-monitored, etc. for severe anxiety and depression. As far as I know he never abused it... but he also ended up deeper in the Twitter hole afterwards. The neuroplasticity is a double edged sword, it seems.
We are no longer on speaking terms after he tripled-down on being a bigot.