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07.03.2017, 12:19 - anyoshoes - Rank 6 - 1072 Posts
understand why human pheromones are a controversial topic,
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, you have to begin with what the word “pheromone” means. Most scientists agree that a pheromone is a chemical signal that helps individuals within the same species to communicate. Perhaps the chemical produces a specific behavior, or initiates puberty or heat. But after that,
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, things get murky. Some say that the signal needs to produce an innate behavioral response in the recipient. Others say the response could be innate or learned. Some say that the chemical must have evolved to be a signal. Others say it could be by accident. “The problem with pheromones is that depending on who you ask, you get a different definition,” says Darren Logan,
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, an olfactory geneticist at the Wellcome Trust Sanger Institute in Hinxton,
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, England.
Some researchers even go so far as to say that pheromones in general don’t exist. “It’s an attractive concept, the idea that there are mysterious things floating around controlling behavior,
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,” says Richard Doty,
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, who studies smell and taste at the University of Pennsylvania. But,
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, he notes, “I really question the scientific validity of the concept of pheromones to begin with. Everyone defines it as what they want it to be. The term has lost any real meaning.”
This public view of pheromones has been driven largely by a few popular studies. People stare at stick figures while sniffing scents to see if they can determine the gender of the drawing,
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. Women inhale the smell of sweaty shirts to

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