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 is the reason women live longer than men? What is the reason does this benefit increase as time passes? We have only a small amount of evidence and the evidence is not sufficient to draw a definitive conclusion.

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 reason why women have a longer life span than men? And why does this benefit increase in the past? We have only a small amount of evidence and the evidence isn't strong enough to make an unambiguous conclusion.

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 reason why women have a longer life span than men? Why is this difference growing over time? We only have a few clues and the evidence isn't sufficient to support an informed conclusion.

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 makes women live much longer than men today and how does this benefit increase over time? There is only limited evidence and the evidence is not sufficient to support an absolute conclusion.

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 is the reason women live longer than men in the present and how have these advantages gotten bigger over time? There is only limited evidence and the evidence is not strong enough to make an informed conclusion.

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 much longer than men today and how is this difference growing over time? The evidence is sketchy and we're only able to provide some answers. We know that biological, behavioral and environmental factors contribute to the fact that women have longer life spans than men, however, we do not know what the contribution to each of these variables 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 is the reason women live more than men do today, and why does this benefit increase over time? The evidence is sketchy and we're left with only some solutions. We recognize that biological, behavioral and environmental factors all play a role in the fact that women live longer than men; but we don't know exactly what the contribution of each one of these factors 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. Why do women live longer than men and how has this advantage increased over time? There isn't much evidence and we have only partial answers. We know that behavioral, biological and environmental factors all contribute to the fact that women live longer than men; however, we do not know how strong the relative contribution of each one of these factors is.