well its funny you mention datura, as thats one of the first 'psychadelics' (if you could consider it that) i attempted to obatain when i was alot younger. after being pursuaded and talked around to why i DO NOT want to touch the stuff i was sent some seeds and proceeded to pass on the safety message. and i even met someone who told me how fucked it was to experience a delusion.
Now, just some background on the plant and why i took it. the plant is called 'Pituri' and is used by aboriginals to walk for days on end with no food or water by sending them delerious, they've used it for thousands of years, so the history books say (tradionally it is quided with acicia ash). I dont know exactly why we smoked it, or for what reason we collected it but i had (cut a long story short) been abusing a range of drugs after emotional issues, alot of death in the family and quitting work for a year.
so, im fairly quirky as it is, like to trip people out with new concepts or wacky ideas, and i meet this aboriginal guy and smoke some changa with him and we get talking about tribal elders and initiation and that they'd be able to tell me more about pituri (the tribal elders) as its a very perculiar plant in the way it grows in certain places. in short i try to quit smoking cigarrettes and run out of money within this 1 week, so.... this pituri having a high nitcotine content is the next best thing to weed and smokes. (btw its the easiest herb to rip out of a bong, but cannot light it in a rollie)
I'd smoked a little bit of this stuff as spin for my weed already, but now thats all i had, so im a little bit gone already at this stage without even knowing it, so i keep taking the occasional toke to keep my cravings at bay. within a few days of this i began feeling a little bit sick, working on my brocken car i couldnt focus, i felt as if i didnt keep moving or doing SOMETHING i would run out of purpose and die, i was seeing symbols in the sun, smoking imaginary cigarettes, drinking my own piss. It was, as i saw it: a very spiritual realisation or awakening and i had acute senses to everything and everyone. i got put on diazapam (blackouts) and no improvement and then i was taken to a mental institutuion quite a distance away (small country town) and spent 3 months+ in there. worst time of my life.
moral of the story: tropanes have a massive length of effect and WILL build up, tropanes are dangerous and should ONLY be used within a specific culture/tradition with a trained shaman who has experience with such deadly poisons.
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