ABC News (March 21, 2002)
Something in the Way She Smells|
Pheromones Enhance Females' Sexual Attractiveness to Males
By Melinda T. Willis
Women who wore perfume with synthesized female pheromone were more attractive to their male partners,
conclude scientists at San Francisco State University.
Pheromones are odorless chemicals excreted from the body that affect reproductive interactions among both animals and humans.
They are picked up by a special organs or tissues in the nose, and then conveyed to regions higher up in the brain.
The new study, appearing in the journal Physiology and Behavior, found that women who had pheromone added to their perfume
reported a more than 50 percent increase in sexual attention from men: they were involved in more sexual intercourse, kissing,
heavy petting, affection, and slept closer to their partner or date.
Women wearing perfume with a placebo also experienced an increase in these activities, though not as great as the pheromone group.
The authors say this increase can be explained by the effect that results from "just thinking" you are wearing a sexy pheromone.
"The most highly significant difference between the placebo and the pheromone group was actually sexual intercourse," says Norma McCoy,
lead author and professor of psychology at San Francisco State University. "It is clear that there is something that is
odorless and is being exuded from reproductive age women - that affects male behavior - that makes the women attractive."
Pheromones and Attraction
The pheromone used in the study is what its maker, Athena Institute for Women's Wellness Research, believes is a generic substrate,
a substance that when put on someone's skin reacts with that person's own chemistry to achieve its effect.
Adds Winnifred Cutler, institute founder and president and a reproductive biologist and co-discoverer of pheromones in humans,
"When it works for a woman, it doesn't seem to matter what perfume she wears."
Research has also shown that significantly more men who wore aftershave with
a synthetic version of a male-excreted pheromone engaged in sexual intercourse and sleeping next to their partner
than those who wore aftershave with placebo.
Beyond Sexual Attraction
There is more to pheromones than sexual attraction, according to Cutler.
"If you divide up the research on pheromones into what type of behaviors are shown to be affected by them, you can organize them
into four different classes," says Cutler: mother-infant interaction, territorial marking, reproductive synchrony,
and sexual attraction.
While most studies on the topic use animals, there have been intriguing human findings, too.
Studies have shown, for instance, that babies as young as three days old are able to distinguish the odor of their mother from that
of other nursing mothers. Babies will turn their faces toward lingerie that has been worn by
their own mothers - and ignore other women's - when the garments are waved over their heads.
Other research on reproductive synchrony has shown that women living together in dorms or working together have synchronized
menstrual cycles. Interestingly, one study of women working in pairs found that women who said they disliked each other
did not cycle together.
Future Pheromone Research
In addition to providing interesting insight into the roots of human behavior, pheromone research may have some therapeutic uses.
The Athena Institute is currently exploring uses of attractant pheromones to improve social interactions of people
who may experience subconscious shunning by others, such as people with cerebral palsy.
In addition, infertility groups have expressed interest in doing research on women
who are undergoing infertility treatments to see the effect that these chemicals have on the outcome.
Attractant pheromones may also be useful to women who have undergone hysterectomies.
"In women a loss of sexual attraction is frequently experienced after hysterectomy
and there is a need for a double blind study to look at the role that pheromones play in that," explains Cutler.
These future research projects have the potential to expand the application of pheromones to humans beyond the perfume bottle.