Racial differences
More strongly expressed in the smell of the southern nations, less - in the northern.
Racial differences also play an important role.
Any smell and have different parts of the body: skin, hair, smooth folds of the body, genitals, saliva, semen.
Sensitivity to odors is also different.
Greatest impact on the psycho-emotional centers provide smells southerners, eastern nations and the smallest - in the northern Europeans.
Although these and other features are its depending on the activity of the vomeronasal system, the central nervous system and psyche, subconscious willingness to perceive aromatic signals and subconscious ability to convert them, and then give the correct command to the authorities.
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