“Do humans have pheromones?” asks a review published in Proceedings of the Royal Society B today. Professor Tristram Wyatt from the University of Oxford says that if we want to find out we need to start from scratch.

Pheromones are chemical signals that help animals to communicate. Members of the same species respond to each other’s pheromone releases by changing a behaviour or undergoing a physiological change.

via The search for human pheromones.