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Human Pheromones for Falling in Love

By pomm79, Mar 15 2018 01:01AM

In this article, I will discuss what pheromones are.

What Are Pheromones

Pheromones are used for biological communication. However, the concept of communication in animals has consistently resisted definition. Scientists define it as the phenomenon of one organism producing a signal that, when responded to by another organism, confers some advantage or probability for that species. This is because they are restricted to chemical signals within a species.

Other chemical interactions such as those between predator and prey or competing species are often more difficult to characterize. Those chemical attractants affect the growth, health, behavior or population biology of species

Pheromone Origins

The term pheromone was first proposed and defined by Karlson and Liischer to refer to a group of biologically active substances resembling hormones.

The modern definition has changed somewhat. Pheromones are substances which are secreted to the outside by an individual and received by a second individual of the same species in which they release a specific reaction. Learn more at


Pheromones are generally active in minute quantities. They may evoke a behavioral response with a single compound or a mixture.

 In either case, the complex of compounds or the single compound is by definition a pheromone if it stimulates a behavioral reaction in the receiving organism. Individual components of a mixture which are inactive by themselves are not pheromones per se, but may synergize with other singly inactive or active compounds to evoke the response. 

The information carried by chemical means may not be as restricted as is usually supposed. The quantity and rate of information transfer by this means can be very great. Some of the ways in which information is maximized are through use of multiple gland sources.

Releaser Pheromones

Releaser pheromones appear to act directly on the central nervous system to evoke an immediate and reversible change in behavior. For example, female sex pheromones attract males in insects. Primer pheromones, on the other hand, trigger permanent physiological changes in the receiver.

There may be no immediate change in behavior, but the organism develops new response potentials which can be evoked by new stimuli. Examples are pheromones stimulating sexual maturation in insects and mammals or controlling caste differentiation in insects.

More recently pheromones, at least those of insects, have been classified on the basis of their biological function. Although the two classifications are commonly confused, they are not necessarily convergent. Classified on the basis of behavior in the receiving animal, insect pheromones include aggregation, trail-following, dispersion, sexual behavior, oviposition, and alarm signals.

In Mammals

In mammals, pheromones are involved in, for example, social hierarchies, territorial behavior, individual imprinting and primer reproductive effects. Learn how they affect humans at

Such classifications of behavior appear to be straightforward, but some pheromones have different functions in different contexts. Thus, aggregation and release of sexual behavior. Learn more about the human pheromones at

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