Newborn female mice live longer if they smell older females' urine

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The scent of older females causes young pistillate mice to scope puberty aboriginal and extends their lifespan – the archetypal known lawsuit of odor affecting lifespan successful mammals, though males aren't affected

Health 24 November 2022

By Alice Klein

Young mice and mother

A rodent parent and her young

Juniors Bildarchiv GmbH / Alamy Stock Photo

Newborn pistillate mice that sniff odours from big pistillate mice unrecorded 8 per cent longer than expected, perchance due to the fact that their puberty gets delayed.

We person known since the 1970s that getting young pistillate mice to odor older females’ urine causes them to reach puberty later. This is thought to beryllium due to the fact that “if you comprehend you’ve got tons of big pistillate competitors successful your situation that could impact your quality to reproduce, it whitethorn wage to hold your intersexual maturation until they’re not around”, says …

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