At the present, the number of studies available on human pheromones and their role in human reproduction is very limited. Active research is being conducted on this fascinating field. With our improved understanding of the role of pheromones and its role in reproduction, gender specific pheromones isolated from men and women could be used as fertility agents for couples who wish to conceive. It might even be manipulated to work as a contraceptive. Some researchers suggest that pheromones could also be used in mood regulation, and help alleviate stress and depression.

The prostate gland in the male is a highly hormone dependent gland. Sexual activity plays a crucial role in determining the prostate cancer risk. Another hypothesis is that specific human pheromone products can be designed to modulate sexual activity, more specifically prostate gland activity in such way that it is associated with reduced risk of developing prostate caner.

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Ants have it! Dogs use it to attract their mate and defend their territory. It is what drives the male moth situated miles away from the female moth to reciprocate and respond to the mating invitation. It is what makes you instantaneously get attracted to the woman or man of your dreams. Still seems fishy? ‘It’ is nothing other than the wonder chemical, pheromones, at work. Someone rightly said that ‘love is a matter of chemistry’. We now know that this is indeed true.

The study of pheromones represents one of the most fascinating areas of reproductive biology. The term pheromone is used to refer to any chemical substance produced by a living organism, that triggers a change in the sexual behavior of another organism, of the same species, but of the opposite sex.

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Although the presence of pheromones has been identified as early as 1956, it was not until 1986 that the presence of these chemicals in underarms of human beings was documented. The credit for this co-discovery goes to Dr. Winifred Cutler, a leading biologist and George Preti, a chemist. Their studies published in the prestigious journal ‘Hormones and behavior’, for the first time highlighted the definite presence of human pheromones. They co-discovered these odorless yet ‘important’ chemicals after removal of sweat from human underarms.

It was also found that pheromones were gender specific. A human pheromone can influence sexual behavior in humans only. So now you know that Jim Carrey’s attraction to even animals, in the movie ‘The Animal’ was truly dramatic. It is appropriate to remember at this juncture the earlier studies of Dr. Winifred Cutler, conducted during the 1970s documented that women who have sporadic sex are less likely to have regular menstrual cycles compared to those who had regular sex with men. (more…)

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There are different types of pheromones. Territorial pheromones help in defining the territory of a particular organism. For example, dogs deposit the so-called pheromones, present in their urine on specific landmarks to mark the perimeter of the claimed territory.Ever wondered about how organized and well-disciplined ants move along? Trail pheromones, secreted by ants (hydrocarbons) enable these social insects to return to their nest with food and also serve as a guide for other ants.

Alarm pheromones, as the name suggests send SOS signals to other members of the same species. Such compounds are released when a specific organism is being attacked by a predator, leading to trigger of either a fright or flight response. Surprisingly, plants have also been known to emit these compounds, when being preyed upon. This leads to production of tannins by adjacent plants, compounds that make the plant less edible for the preying organism.

Perhaps the most studied of the pheromones are sex pheromones that greatly influence the sexual behavior of an animal. These sex pheromones perform several functions ranging from sending signals about availability of a partner for mating to detecting a potential mate. Certain male organisms also release pheromones that communicate information about their species and genetic constitution. The presence of sex pheromones in animals as diverse as moths, mice and monkeys have been well documented.

Aggregation pheromones is the collective term given to chemical substances produced by one or other sex of a particular species, that attract individuals of both sexes. An unclassified set of pheromones (bees and other mammals) also exists, about which active research is being conducted at the moment.

Of special interest are the human pheromones, which are claimed to enhance the libido (sex drive) of an individual. Several companies even market human pheromones, believed to possess aphrodisiac properties. The number of studies available on human pheromones is however very limited.

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By: THUY TRAN

Love is in the air … or is it pheromones?

Scientist Ariel Fenster spoke Tuesday night at the Chemistry of Love seminar to explain the chemistry behind love, sex, attachment and Viagra.

Fenster is a chemistry professor at the McGill University in Canada and has given over 600 lectures to over 370,000 people about various topics including forensic science and the chemistry of food. He has been an avid promoter of science for nearly three decades…

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A Lois & Clark video. Can you smell the pheromone?

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A case study of how scientists in the Pacific Northwest controlled an outbreak of moths in poplar trees. Transcript of radio broadcast:
19 February 2008

Back in the year two thousand, big producers of poplar trees in the American Pacific Northwest needed help. Their hybrid poplars, nearly ten years old, were under threat. Young insects were getting into the heartwood, weakening a tree and making it likely to break and fall. Small, newly planted trees were being killed.

Two professors from Washington State University discovered that the threat was not from traditional poplar pests but from a new one.

Doug Walsh and John Brown found ninety-five western poplar clearwing moths in traps in a four-week period in two thousand one. Then, during a four-week period in two thousand two, they found more than eighteen thousand moths in traps placed in the same locations…

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Making the right choice when finding true love is an important business, so how do we go about selecting a mate?

Many factors add up to make us desirable to potential partners. There’s the obvious stuff like symmetrical features and good skin – which showcase a healthy development, immune system and good genes. Women look for tall men with masculine faces, kindness, wealth and status. Men prefer young, fertile women with a low waist-to-hip ratio and who are not too tall. Neither sex is very keen on people who wear glasses.

Beauty can come at a price however.

Other factors are less obvious. Research suggests that humans are attracted to partners who resemble themselves and – slightly disconcertingly – their parents too. Smell appears to be important as well; people are often more attracted to the smell of those who have different combinations of some immune system (MHC) genes to themselves. Mates with dissimilar MHC genes produce healthier offspring that are better able to thwart disease. People with similar MHC genes even prefer the same perfumes…

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ScienceDaily (Jun. 21, 2007) — The coming summer vibrates with expressions of insect love and desire. The cicada’s songs or the butterflies’ bright colours are examples of how an emitting sex attracts conspecific members of the responding sex. Moth odours (pheromones), though less conspicuous for us humans, are also signals by which females guide males towards them, even on the darkest nights. Such mating recognition systems tend to be very specific, hence they are thought to play a major role in the evolution of mating barriers and in the formation of new species.

The fact that conspecific males and females recognize each other by their common use of a highly specific “language” is likely to decrease the fitness of mutants that might use slightly different signals. Such “atypical” individuals would either – and most probably – die without leaving any offspring, or – in the unlikely event that they find a mutant partner – they might found a new line that may eventually become a new species. As such, the offspring of such parents would inherit the mutant communication system of their parents, which could “spark” the divergence leading to the formation of a new species.

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The final one is all about Isabella.

Translation by skuldnoshinpu (Echang)
Video by Master LL

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This 3rd one is my overall favorite of the Pheromone Bombers Series.. gotta love the cast.

Translation by skuldnoshinpu (Echang)
Video by Master LL

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It is Valentine’s Day, yet again! It is that yearly phase when the air is charged with the aroma of roses. Even as we usher in this ‘Lover’s day’, lets take a peek at the facts that make it special.

Legends are aplenty on the origin(s) of Valentine’s Day. One theory asserts that Valentine was a young priest devoted to uniting distanced lovers. Another belief describes Valentine as a victim of tragic love, who signed his love letter, ‘From your Valentine’! This was the first recorded valentine card, and the phrase is put to good use even today. The validity of these stories is shrouded in mystery, but the young priest’s romantic bravado carried an universal appeal that continues to charm lovers even today!

Many claim that love cannot be confined to a calendar date. Love, for these claimants, flows freely in bountiful supply! Others, however, argue that there is a need to dedicate a day to pamper ‘that special someone’ exclusively. Valentine’s day, which is an integrated part of the European tradition, has caused youthful hearts to throb in many an Asian metro. In India, adolescent boys and girls step beyond their monetary means in an effort to woo and to win. Some of them choose this day to mollify a miffed sweetheart. Passion is engulfed by consumerism as pricey gifts are exchanged. Many young lovers suffer from ‘a -hole-in-the- wallet’ syndrome, which often takes days to recover!

There are ‘wet blankets’ too doing the rounds to douse the flames of youthful vigor. The ‘moral police’ work overtime to curb the pheromone spill in public places. Although bawdiness is not welcome in a civil society, it is important not to infringe upon a person’s right to express his/her feelings, as long as it is consensual and not a public eye sore.

‘Love and Let Others Love’ should be the punch line for this year’s Valentine’s Day. For after all it would be apt to remember that, ‘To Love is to Live’!

Source-Medindia
Dr. REEJA THARU/M

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The second meeting with the extravagant Pheromone Bombers (Bantam Bouncers) from Tales of Legendia.

Translation by skuldnoshinpu (Echang)
Video by Master LL

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