Scientists Gave Monkeys Ayahuasca and It Helped Their Depression

In a 1973 study, scientists at the University of Chicago fitted cocaine-dependent rhesus monkeys with stainless steel catheter harnesses, allowing them to self-administer PCP to until they were "highly intoxicated." This type of research isn't exactly unusual -- for decades, humans have been pumping primates full of psychedelics like LSD and DMT to study the effects of hallucinogenic drugs. But in a recent first, researchers at the Federal University of Rio Grande do Norte in Brazil gav