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

The scent of older females causes young female mice to reach puberty later and extends their lifespan – the first known case of smell affecting lifespan in mammals, though males aren't affected

Newborn female mice live longer if they smell older females' urine
The scent of older females causes young female mice to reach puberty later and extends their lifespan – the first known case of smell affecting lifespan in mammals, though males aren't affected