People Can Identify Each Other's Age by Smell

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By Molly Grady

Body odors change as people get older.

A study finds that people can identify each other's ages by smell.

Researchers in Philadelphia took underarm samples from young, middle aged, and elderly people.

Participants were able to guess the age group according to the odor.

They said the smell from older people was less intense and unpleasant than the younger groups.
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