Human chemical communication

A photo of three perfume bottles

Source: Adapted from © Getty Images

Nina Notman sniffs out the evidence for human pheromones and chemical cues

It took until the late 1950s for the first pheromone to be isolated and identified. But do humans also use chemicals for communication? Our predominantly communication tool may be spoken language, but we constantly use facial and gestural expressions to relay information too. Could pheromones, or other chemical cues, play a role as well without us realising it? The answer is almost definitely yes.