Examine individual changes

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? Why does this benefit increase as time passes? We have only a small amount of evidence and the evidence is not strong enough to make an informed conclusion. We recognize that biological, behavioral and environmental factors all contribute to the fact that women have longer lives than men, however, [https://glorynote.com/%D8%A7%D9%88%D8%B6%D8%A7%D8%B9-%D8%A7%D9%84%D9%88%D9%82%D9%88%D9%81/ كيفية إقامة علاقة بالصور] we aren't sure what the contribution of each factor is.<br><br>In spite of the precise weight, we know that at least a portion of the reason why women live longer than men today and not in the past, is to do with the fact that several important non-biological aspects have changed. What are these new factors? Some are well known and relatively straightforward, like the fact that men smoke more often. Other are more complicated. For example, there is evidence that in rich countries the female advantage increased in part because infectious diseases used to affect women disproportionately a century ago, so advances in medicine that reduced the long-term health burden from infectious diseases, especially for survivors, ended up raising women's longevity disproportionately.<br><br>Everywhere in the world women tend to live longer than men<br>The first chart below shows life expectancy at birth for men and women. It is clear that every country is above the line of parity diagonally. This implies that a baby girl from any country can be expected to live for longer than her younger brother.<br><br>This chart illustrates that, even though women enjoy an advantage throughout the world, the differences between countries could be significant. In Russia women have a longer life span than men, while in Bhutan the difference is less than half one year.<br><br>__S.17__<br>__S.19__<br>In rich countries the female advantage in longevity was smaller<br>Let's look at how female longevity advantage has changed in the course of time. The next chart shows male and [https://www.bbc.co.uk/search/?q=female%20life female life] expectancies when they were born in the US between 1790 and 2014. Two things stand out.<br><br>The first is that there is an upward trend. Men as well as women in the US are living much, much longer than they did 100 years ago. This is in line with historical increases in life expectancy everywhere in the world.<br><br>And second, there is a widening gap: The female advantage in terms of life expectancy used be extremely small however, it has increased significantly over the course of the last century.<br><br>It is possible to verify that these principles are also applicable to other countries that have data by selecting the "Change country" option in the chart. This includes the UK, France, and Sweden.