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Pheromones Role in Attraction

Pheromones are odorless chemical substances that are secreted from sweat glands in humans. They are also produced by animals and act as a type of chemical communication. Some pheromones that animals (including humans) produce are designed to attract a mate and provide information about reproductive status and genetic compatibility, while others are used to mark trails, define boundaries, signal territories as well as provide a sense of familiarity.