Smoking the hallucinogenic
rosa canina root seems to have added to the ominous, ghostly feelings that Kien and the other soldiers experienced while stationed in the Jungle of Screaming Souls. Although the root helped them relax, it also exacerbated their fears about American soldiers. And yet, while it might be the case that the root’s hallucinogenic properties worked against the soldiers by giving them vivid visions, it’s worth noting that it was completely rational for them to fear not just the American soldiers lurking in the jungle, but also the threat of violence and bodily harm that these soldiers represented. In a way, then,
rosa canina wasn’t responsible for the soldiers’ terrifying thoughts: the war itself was.