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 why has this advantage gotten larger in the past? The evidence is limited and we’re only able to provide partial answers. We recognize that biological, behavioral and موقع تزويد مشتركين environmental factors…