the "euphoria" they feel is serotonin.
https://www.ted.com/talks/jill_bolte_taylor_my_stroke_of_ins...
Some do not choose wisely =3
Try not to be rude, and ask if you don't understand. =3
You are correct of course, it's a serotonergic hallucinogen.
https://www.erowid.org/psychoactives/chemistry/chemistry_com...
There just may be a tiny bit of SAR going on there. :)
They are still in denial their kidneys may eventually fail. =)