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At the Smithsonian Visit. Psychological effects of subthreshold exposure to the putative human pheromone 4,androstadienone. For a safer, faster, more enjoyable user experience, please update your browser today or try a newer browser. Some scientists are even reconsidering the very definition of pheromone, as the original one was based on how some chemicals trigger unequivocal behaviours in insects, and this might not be applicable to humans. That gives you a nice bioassay.

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Perhaps pheromones can affect our physiological state or mood in more subtle ways that are not easy to identify in a simple scientific test. Psychological effects of subthreshold exposure to the putative human pheromone 4,androstadienone. Smithsonian Channel.

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sex Smelly pheromones girl