Listen Love Is All in Your Head -- Or Is It in Your Genes?
Love Is All in Your Head -- Or Is It in Your Genes?
By
Laurie Barclay, MD
WebMD Health News
Feb. 14, 2001 -- Legend has it that when
Napoleon Bonaparte wrote Josephine to arrange a love tryst, he said,
"I'm coming home -- please don't wash." Recent research on the
scientific basis of love suggests that the famous general may have been
onto something that guaranteed his success in the bedroom as well as on
the battlefield.
Armpit
sweat broken down by bacteria may not sound very appealing, but that's
the origin of pheromones, those elusive, odorless chemicals given off in
response to sexual stimulation or even romantic fantasy. In animals
including mice, dogs, and insects, these chemicals attract the opposite sex and initiate mating behavior.
"In humans, the effect is quite
different, because they have to inhale their own pheromone for it to
work," Peter Pugliese, MD, PhD, tells WebMD. From the nose, the
pheromone travels to a part of the brain involved in emotions and sex drive.
"This makes the person aware of their
own attractiveness and allows them to project a heightened sense of
approachability," says Pugliese, a private skin physiology consultant to Philosophy Cosmetics.
"In married couples, pheromones might cause a renewed interest in the
other person, leading to feeling closer and being more attentive -- not
necessarily to sex."
But don't write off the power of
pheromones as an aphrodisiac just yet. A 1998 study from the Athena
Institute for Women's Wellness Research in Chester Springs, Pa.,
documented the sexual activity of 38 young to middle-aged heterosexual
men while using pheromones. Users of pheromones, but not of an inactive
control substance, had increased frequency of informal dates,
affectionate gestures, sleeping next to a romantic partner, foreplay,
and sexual intercourse.
As frequency of masturbation
did not change, the researchers concluded that pheromones increased the
sexual attractiveness of men to women, and therefore sexual behaviors
requiring the woman's interest and cooperation, rather than sex drive itself.
Hoping to capitalize on the purported
effects of pheromones, Philosophy Cosmetics markets an odorless elixir
of pheromone concentrate called "Falling in Love," for women only, to
increase their sense of well-being.
Evidence, albeit unsubstantiated,
from Victoria's Secret suggests "spectacular results" in women using the
product, even those who considered themselves to be unattractive,
Pugliese says.
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