For the low, low price of $15.95 on Amazon, you can purchase a little spray bottle of pheromones that supposedly will trigger "animal attraction" in your partner. But is it true??? Pheromones are a well-known system of communicating territory, alarms, and sexual needs to other animals but is this system present in humans? We know that smell is an important component of sexual attraction and arousal but human beings seem to lack both the organ and brain region needed to process pheromone infor...