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 makes women live longer than men and why has this advantage increased in the past? We have only a small amount of evidence and the evidence isn't sufficient to support an absolute conclusion. We know there are behavioral, biological and environmental variables which play a significant role in the longevity of women over men, [https://glorynote.com/%D8%B5%D8%A8%D8%BA-%D8%A7%D9%84%D8%B4%D8%B9%D8%B1-%D8%A8%D8%A7%D9%84%D8%A3%D8%B3%D9%88%D8%AF/ صبغ الشعر بالاسود] we do not know what percentage each factor plays in.<br><br>Independently of the exact amount, we can say that at least part of the reason why women live so much longer than men do today and not in the past, is to relate to the fact that a number of key non-biological factors have changed. These variables are evolving. Some are well known and relatively straightforward, like the fact that men smoke more often. Certain 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 over the line of [https://imgur.com/hot?q=parity%20diagonally parity diagonally]. This implies that a baby girl from every country could be expected to live for longer than her brother.<br><br>The chart below shows that although women have an advantage throughout the world, [https://forum.itguru.lk/index.php?action=profile;u=178995 صبغ الشعر بالاسود] the differences between countries can be significant. In Russia women have an [https://www.flickr.com/search/?q=average average] of 10 years more than males; while in Bhutan the difference is less than half a year.<br><br>__S.17__<br>__S.19__<br>In the richer countries, the women's advantage in longevity was smaller<br>Let's look at how the gender advantage in life expectancy has changed over time. The following chart shows the men and women's life expectancies at birth in the US during the period 1790 to 2014. Two aspects stand out.<br><br>The first is that there is an upward trend. Men and women in America live longer than they used to 100 years ago. This is in line with historical increases in life expectancy everywhere in the world.<br><br>The gap is getting wider: Although the female advantage in terms of life expectancy was tiny It has significantly increased over time.<br><br>When you click on the option "Change country' on the chart, determine if these two points also apply to other countries with available information: Sweden, France and the UK.