Anosmia
"Anosmia" is an inability to perceive smells. Some people may be anosmic for one particular odour. This is called "specific anosmia" and may be genetically based. |
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Have you ever noticed boar taint when you eat pork? |
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Do you know which boar taint compound has a specific anosmia? |
How anosmia is distributed
Approximately 99% of consumers are sensitive to skatole, whereas the proportion of individuals sensitive to androstenone varies, and the extent of this variation differs between studies. Specific anosmia to androstenone is common, more in men than in women, and it is determined genetically (ORD7D4 genotype). The figure below shows the geographical distribution of anosmic people in the world, by gender: