Why Do Women Live Longer Than Men?

In general men have several physical advantages over women in stamina, height, strength, and speed. But these attributes don't mean much when it comes to longevity. It has been said that throughout history, females have outlived males and that the trend extends across a wide variety of species. The average life expectancy of women exceeds that of men. In the United States, life expectancy at birth is about 79 years for women and about 72 years for men. Women live longer while men die younger. There are many aging theories that try to explain why this happens, but still they are just…