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Odor threshold value can be expressed as a concentration in water or concentration in air. Two major types of flavor thresholds can be distinguished: the absolute and the difference threshold. The odor detection threshold and the odor recognition threshold are absolute thresholds; the first is the minimum concentration at which an odor can be ...
Ichor originates in Greek mythology, where it is the "ethereal fluid" that is the blood of the Greek gods, sometimes said to retain the qualities of the immortals' food and drink, ambrosia and nectar. [2] Ichor is described as toxic to humans, killing them instantly if they came in contact with it.
Chills might happen with a sudden blood pressure drop, Cohan says. When your blood pressure gets too low, your organs aren’t getting enough oxygen and nutrients, which can lead to shock ...
In a single sniff, the human sense of smell can distinguish odors within a fraction of a second, working at a level of sensitivity that is “on par” with how our brains perceive color ...
In total, the researchers found 16 plastic fibers and particles in the tissues. The smallest were slimmer than the diameter of a human red blood cell, which measures about 8 micrometers. The most ...
Aromachology is the study of the influence of odors on human behavior and to examine the relationship between feelings and emotions. Those who practice aromachology are aromachologists . Aromachologists analyze emotions such as relaxation, exhilaration, sensuality, happiness and well-being brought about by odors stimulating the olfactory ...
Individuals and races may differ in nitrogen dioxide tolerance level and individual tolerance level for the gas may be altered by several factors, such as metabolic rate, barometric pressure, and hematological disorders but significant exposure may result in fatal conditions that could lead to shorter lifespan due to heart failure.
Smell as evidence of disease has been long used, dating back to Hippocrates around 400 years BCE. [1] It is still employed with a focus on volatile organic compounds (VOCs) found in body odor. [ 2 ] VOCs are carbon-based molecular groups having a low molecular weight, secreted during cells' metabolic processes. [ 3 ]