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 is this difference growing in the past? We only have a few clues 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 women live longer than men? And how the advantage has grown as time passes? We only have partial evidence and the evidence isn't sufficient to draw an unambiguous conclusion. We are aware that behavioral, biological and environmental factors contribute to the fact that women have longer lives than men, however, we aren't sure how significant the impact 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. Why do women live so longer than men in the present, and why does this benefit increase in the past? We have only a small amount of evidence and the evidence is not sufficient to draw 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'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.