Pheromones Odors given off by animals, including humans, to attract others sexually. Related Articles: I Lust for Your Genes: The Biology of AttractionWhat do similar facial features, complementary genes, and pheromones have in common? Attraction! Sasha Co- Founder of Psych n Sex, previous writer and campus educator for the Kinsey Institute & published psychology researcher. Manhattan girl obsessed with post ww2 abstract expressionism, beet juice, vintage clothing & Scandinavia.