A treatment that simultaneously targets two age-related pathways in frail adult mice has been shown to extend their lifespan by up to 73 percent in a study by researchers from the University of California, Berkeley. Curiously, the effect was only seen in the males that were treated, highlighting how the biological mechanisms of aging can vary between the sexes , no matter the species. The therapy combined two anti-aging treatments. The first is oxytocin (OT), an age-dependent natural hormone