What are Pheromones – Do humans have pheromones?

Nov 29
07:33

2015

Rajeev Sahadevan

Rajeev Sahadevan

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Pheromone! this might sound a bit tricky and something which really does not exist, let alone work. But then its proven that our senses rule our mind. An unexplored area, the sense of smell and the power of attraction . its not new for people to lose focus when they smell food or the wet soil making people nostalgic. Our emotions are ruled by our senses and that same funda is used with pheromones, to attract the opposite sex.

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Phermone is basically a chemical that is released by animals to signal other animal of their species for mating. While some call pheromones an sexually inviting agent,What are Pheromones – Do humans have pheromones? Articles some claim that pheromones can alter the behavior apart from sexually ones.

Unlike other hormones in the body, pheromones are ectohormones that is they act outside our body by secreting them. They impact their behavior on other individual. They are basically harmless and pheromones only affect the individual who is secreting them.

Few of the behavioral changes of pheromones include:

  • Sexual arousal
  • follow a food trial
  • respect a territory
  • nurturing feel (mother and baby)
  • back off
  • Alarm

Identified in 1953, this first pheromone was secreted by female moths and is designed to attract male moths. These pheromones can travel upto great distance though in low concentrations.

Many experts say that the pheromones of insects can be easily understood than of mammals because of the simple stereotyped insect behavior which is lacked in mammals. It is said that mammals work with pheromones via an organ in nose called the Vomeronasal Organ (VNO) that is connected to the hypothalamus in the brain. However these special functions of VNO is lacked in humans and bascially don't do anything.

Do humans have pheromones?

There are thousands of conpanies that promise you sexual achievements if you buy their pills or perfume. But bear in mind that it is just a source of minting money from you. Even the best of studies have failed to show any valid evidence that pheromones work in humans.

A study was conducted in University of Chicago that connected the sync with women's menstrual cycle with their unconscious odor cues. Lead of the team was Martha McClintock from where it was termed the McClintock effect.

A bunch of women were asked to take a whiff of sweat from other women. In the process their menstrual cycles aggravated and slowed down at times based on the timing when the menstrual cycle sweat was collected – i.e. before, during and after ovulation.

Results were that pheromone collected before ovulation lessened the ovarian cycle while the pheromone sweat taken during ovulation lengthened it. However, recent analytical study of McClintock's research still question the validity.

 

Basically there are four kinds of pheromones.

 

  1. Releaser pheromones – an immediate responsive hormone, the release is rapid and reliable. It is linked with sexual attraction.
  2. Primer pheromones – take a while to get a response. These hormones influence the development of a person such as puberty, physiology development, menstrual cycles in females, success/failure in pregnancy etc. These pheromones have the power to influence the hormone levels and can alter them easily. Many studies have found that females who get pregnant and got exposed to primer pheromones from another male can spontaneously abort the fetus.
  3. Signaler pheromones – pass on the info. These hormones help in assisting the new mom to recognize her newborn by scent (dads cannot usually do this). Signaler pheromones leave a genetic odor imprint on them.
  4. Modulator pheromones – has the capacity to either synchronize or alter the body functions. Usually found in sweat, these hormones can affect the female's monthly cycle.

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