Mike CHS
Herd Master
Oh, and early humans used it as a pain relief in small quantities, but also as a hallucinogenic plant. Pretty potent too, and can be deadly in large quantities.
Pokeberry has some hallucinogenic properties also. If you want to see some historical trivia - The link is to Cornell and down about a page or so it talks about some British soldiers that ate some "Jamestown Weed" with bad affect.
http://poisonousplants.ansci.cornell.edu/jimsonweed/jimsonweed.html