A special brew may have calmed Inca children headed for sacrifice
Mummified hair and fingernail remains contained traces of a substance that may reduce anxiety
https://www.sciencenews.org/article/inca-children-sacrifice-ayahuasca-chemical
"The youngsters’ bodies contained chemical remnants from one of the primary ingredients of ayahuasca, a liquid concoction known for its hallucinogenic effects"
Inca priests used natural antidepressants for nefarious purposes
https://arstechnica.com/science/2022/05/inca-priests-plied-child-sacrificial-victims-with-drugs/