Everywhere in the world women live longer than men - but this was not always the case. The available data from rich countries shows that women didn't live longer than men in the 19th century. What's the main reason women are more likely to live longer than men? And why does this benefit increase in the past? The evidence is sketchy and we only have partial solutions. We recognize that biological, behavioral and environmental factors all contribute to the fact that women are healthier than men; however, we do not know how strong the relative contribution of each factor is.

Everywhere in the world women live longer than men - but this was not always the case. The available data from rich countries shows that women didn't live longer than men in the 19th century. What's the main reason women have a longer life span than men? And how does this benefit increase as time passes?

Everywhere in the world women live longer than men - but this was not always the case. The available data from rich countries shows that women didn't live longer than men in the 19th century. What's the main reason women have a longer life span than men? Why does this benefit increase in the past? The evidence isn't conclusive and we have only partial solutions. Although we know that there are behavioral, biological and environmental variables that all play a role in the longevity of women over males, we aren't sure how much each one contributes.

Everywhere in the world women live longer than men - but this was not always the case. The available data from rich countries shows that women didn't live longer than men in the 19th century. Why do women live so longer than men, and why has this advantage increased in the past? The evidence is sketchy and we're left with only some answers. We know that biological, behavioral and environmental factors all play a role in the fact that women have longer lives than men, however, we do not know how strong the relative contribution of each of these factors is.