Cannabis

Thanks to its best-known use, any mention of cannabis tends to bring up jokes about the munchies or debates about marijuana and legalized drug use. But this not-so-innocent flowering plant was one of the first to be domesticated by humans, and it has been used in spiritual, therapeutic, and even punitive applications ever since—in addition to its more recreational purpose. Despite all the hoopla surrounding cannabis, however, we actually understand relatively little about it in the human an...