Sexual behavior is one reason why female mammals typically live longer than their male counterparts, according to a new study.

Across mammal species, from baboons and gorillas up to humans, females usually live longer than the males do. However, this pattern is not universal throughout the animal kingdom. Males are the longer ...

The interplay between genetics, sexual selection, and parental care appears to play a part in causing this bias, while environmental factors can influence but not eliminate it.

Around the world, women on average live longer than men. This striking pattern holds true across nearly all countries and historical time periods.