Science

The olfactory sense is the most sensitive of all human senses and the first to develop just before birth, therefore playing an extremely important role in the way a person perceives the ambient and accommodates in an environment. People can remember certain smells with an accuracy of 65% even after a year, while the visual memory operates at a level of 50% after three months.

Studies show that 75% of a human’s emotions are triggered by the smell that resembles or is directly related to pleasure, good mood, emotion and memory.
Out of almost 110.000 types of smells in nature, people perceive about an incredible amount of 10.000 types.