Drunk Flies and Stoned DolphinsFrom the cup of coffee that jumpstarts the day to dangerously addictive drugs, the recreational use of plants with psychoactive properties has a long history among humans. But, as with many things, it turns out that other animals got there first. From parrots to primates, consuming medicinal chemicals is an instinctive behaviour that helps countless organisms fight infection and treat disease. But the similarities don't end there: like us, many