Pheromones are potent molecules that mediate communications between animals and even between humans. Usually, a sender animal synthesizes and excretes pheromones to the environment; pheromones are detected by a receiver animal and elicit dramatic changes in the development, growth, metabolism, and sex behavior of the receiver animal. In a paper published in Science China Life Sciences, scientists found that in the nematode species C. elegans, pheromones can also be synthesized in the receiver animal and work as hormones inside the receiver animal to regulate fat burning and lifespan.
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Source: Phys.org