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Older people really do have a smell belonging solely to their generation and the ability to sniff it out may have evolutionary roots.
Scientists say that the odour distiguishable as an “old person smell” is detectable by young people aged 20-30 who are able to accurately guess when a scent comes from someone aged 75-95.
The study, in PLoS One, found that participants in that age group were also able to determine when a smell was associated with someone in middle age or in their youth, but they were much better at smelling old people than young people.
The findings of the study were taken from absorbent nursing pads sewn into the armpits of T-shirts and worn by volunteers of different ages for five consecutive nights.
