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Pheromones and falling in love

Posted on April 28, 2013 by James Kohl.

How Do You Know When You Are In Love? bookDifferent Types of Love: passive love and active love; love at first sight. Published on April 25, 2013 by Philippa Perry in How to Stay Sane

Excerpt: “There are other factors that add to this falling in love feeling – unromantic things such as a complimentary immune system that we instinctively recognise via our olfactory systems…”

My comment: In our award-winning 2001 Neuroendocrinology Letters review: ‘Human pheromones: integrating neuroendocrinology and ethology,’we wrote:

“The ‘affective primacy hypothesis’ [5] asserts that positive and negative affective reactions can be evoked with minimal stimulus input and virtually no cognitive processing. Olfactory signals seem to induce emotional reactions whether or not a chemical stimulus is consciously perceived. We theorize that the importance of human non-verbal signals is based upon information processing, which occurs in the limbic system, and without any cognitive (cortical) assessment. Affect thus does not require conscious interpretation of signal content. Underlying this fact is that affect dominates social interaction and it is the major currency in social interactions [6].”

If not for the unromantic reality of olfactory/pheromonal input, epigenetic effects on hormones, and affective primacy, more people might recognize their animalistic behaviors. They could then think before playing the fool in ‘love’ in one failed relationship after another.

Commitment merely involves thought and not acting like an animal. Clearly, that’s why some people can commit, and why others cannot.



James Kohl
Retired medical laboratory scientist

James Kohl

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James Kohl owns, and he has published books and award-winning research journal articles about human pheromones. With colleagues he was the first to show that a mixture of human pheromones increases the flirtatious behaviors of women, and increases their level of attraction to the man wearing the mixture - during a real-life social circumstance lasting 15 minutes.

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What is the vomeronasal organ (VNO)?

The vomeronasal organ (VNO) is a cone-shaped organ in the nasal cavity, which is believed to be one of the body's receptors of pheromones. More, specifically, the VNO, which is part of the accessory olfactory system in the nose, does not respond to normal scents, but may detect odorless, barely perceptible pheromones.

Other schools of thought believe that it is not the VNO but rather cells in our main olfactory system and their affects on hormones secreted by the hypothalamus that are responsible for the affects of pheromones.

Learn more about the science behind pheromones here.

What are optimized pheromones?

Optimized pheromones are lab-certified pheromone formulations that have the optimum concentration of biologically active pheromones scientifically proven to produce behavior-altering results -- particularly as sexual attractants. Optimized pheromone formulations do not necessarily contain the maximum level of pheromones available on the market, but rather contain the greatest degree (and combination)of human pheromones that trigger a conditioned biological response in humans that, in turn, dictate their sexual behavior. Optimized pheromones also release neurotransmitters that directly modify the behavior of the opposite sex, such as triggering sexual excitement. For example:

Optimized pheromones for men are scientifically proven to bring about an increase in the luteinizing hormone (LH) in women, thereby causing a woman to have a heightened sexual responsiveness to a man. This LH surge elevates a woman's predisposition towards sexual activity.

Optimized pheromones for women are scientifically proven to bring about a biochemical surge in men, thereby causing a man to have a heightened sexual responsiveness to a woman. This biochemical surge is what makes a man fiercely determined to copulate.