The Science of Sex: Does the Nose Know?

By: Brie Cadman (View Profile)

Though certainly the scent of a man can be a powerful indicator of genetic compatibility, it certainly doesn’t dictate everything. If a woman falls in love with a man, and then begins the pill, she’s not likely to lose interest; love may be more powerful than the initial scent connection. And there are certainly other factors at play than just scent. Like most biological responses, mate preference and sexual attraction is much more complex than just how we smell. Because our scent communication acts at a subtle level, we have to get close enough even to detect it; that is, there needs to be a reasonable amount of physical or intellectual attraction in the first place. Although there is a new internet dating-site based on the MHC smell basis, scientificmatch.com, they still require users to fill out the normal things that most people base their compatibility on: age, hobbies, interests, income, etc.

Our noses may help us find the mate most suited to us, but it’s ultimately up to our minds to decide whether or not we like what we’ve sniffed out.

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posted: 05.18.2008
Susan
Can we get the citations to your sources, please?
posted: 02.13.2008
Philip Coffman
Celery works as a pheromone when eaten by men who later perspire from any kind of activity - dancing, working out, etc. It contains androsterone which is released through perspiration. I'm lucky enough to live in Odessa, Ukraine, a city of awesomely beautiful women and, when I go to a club here and dance a little, I have women all over me. It got to the point that one evening, I had to call club security because a woman followed me to the men's room and was pounding on the door trying to get in. Not kidding! It os reported to work on about 85% of the men who eat it and, on about 60% of the women who are around the guy who has eaten it. Its cheap enough. Try it. I juice ot with carrots and apples. Very pleasant taste.
posted: 02.06.2008
BecauseLyndseySpeaks
This is terribly true. I've been known to be drawn to a man simply because I've walked in a man, and a draft of his scent makes me find him in a room. Often times I don't realize what I'm doing until I've found the man. I'm lucky to have found my perfect MHC smell, but there are slightly varying MHC smells that make can make anyone's nose perk up. And this goes for men too. Even without perfume. I was once working out in the gym and a man slightly older than I was at the time walked up to me. I knew it wasn't because I looked great in my sweat pants. There was a reason for being in the gym. But when he came up to me he simply said, "you smell great." Freaked me out. Now that I think about it, maybe I should have been flattered. But it was odd. And he was pretty darn cute.
posted: 01.31.2008
Roxnev Schlarman
I have often wondered about smell, like in school that are coed, if humans are like animals and if the smell of women in heat cause men brain to wander to sex instead of school work.
posted: 01.31.2008
Bruce
This is real stuff, I'm a poster child for this effect. Life can be pretty grim with a woman who doesn't like you any more because she went off the pill after years. There are real implications for guys. Simply stated, if she doesn't like you, it's not your fault. It isn't how you dress or how you act, it's just your MHC. For guys, get up close to as many women as you can so they can get a sniff. The ones that like you will let you know. One way to tell when you have made a connection is the eyes. When a woman makes the connection with your MHC smell, here pupils will dialate. If you are hanging with a woman who's pupils are not dialating around you, get ready to move on. When it really hits her, you can't even tell what color the irises are. For women, this means, one, not hanging around any guys that you wouldn't want to be caught with because when the right smell gets you, logic goes out the window, and two, find a mate when off the pill, for a lasting relationship.
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