Kava consumption and the rise of sociopolitical complexity in Oceania.
Hrnčíř V; Sheehan O; Claessens S; Gray RD · 2026 · Proceedings of the National Academy of Sciences of the United States of America
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Humans have been using psychoactive substances for millennia, despite their potential negative health and social consequences. According to some scholars, our craving for mind-altering drugs is an evolutionary mistake-a hijacking of our…
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Metadata source: Europe PMC · DOI 10.1073/pnas.2521658123