Babies Smell Sweet, but Teenagers Stink. Is Evolution the Explanation?
Briefly

In a study, researchers compared the body odor of infants and teenagers, discovering a higher concentration of smelly compounds in teens after puberty.
Loos and her team found a higher concentration of carboxylic acids in teenagers' body odor, which differs from infants' more pleasant citrusy and soapy-smelling aldehydes.
Read at www.scientificamerican.com
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