The Scent of a Female Can Trigger Early Death in Male Mice : ScienceAlert
Smelling a potential new mate could impact how long an animal lives and its ability to reproduce, according to a new study.Scientists found that simply exposing male mice to the scent of unknown females during middle to old age decreased the number of litters they could sire later in life. If these female-odor-sniffing males were allowed to mate, they were also likelier to die earlier than males who didn't smell outsider females before mating.The researchers from New Zealand and Australia say their study demonstrates…