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 are more likely to live longer than men? What is the reason does this benefit increase in the past? We have only a small amount of evidence and the evidence is not sufficient to draw an [https://www.youtube.com/results?search_query=unambiguous%20conclusion unambiguous conclusion]. We are aware that behavioral, biological and environmental factors all play a role in the fact that women have longer lives than men, however, we do not know how significant the impact of each one of these factors is.<br><br>In spite of how much weight, we know that at least a portion of the reason why women live longer than men in the present but not in the past, has to do with the fact that certain important non-biological aspects have changed. The factors changing are numerous. Some are well known and relatively straightforward, like the fact that men smoke more often. Others are more complex. 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 [https://glorynote.com/%D8%B2%D9%8A%D9%88%D8%AA-%D8%AA%D8%B7%D9%88%D9%8A%D9%84-%D8%A7%D9%84%D8%B4%D8%B9%D8%B1/ زيوت تطويل الشعر] 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. We can see that all countries are above the diagonal parity line - this means that in all countries baby girls can expect to live longer than a newborn boy.1<br><br>Interestingly, this chart shows that, while the advantage for women exists across all countries, the difference between countries is huge. In Russia women live 10 years longer than males. In Bhutan, the [https://hararonline.com/?s=difference difference] is less that half a year.<br><br>__S.17__<br>__S.19__<br>In rich countries the women's advantage in longevity used to be smaller<br>Let's now look at how the female advantage in longevity has changed with time. The next chart shows male and female life expectancies at birth in the US during the time period between 1790 and 2014. Two specific points stand out.<br><br>The first is that there is an upward trend. Both genders in America have longer lives than they used to 100 years ago. This is in line with historical increases in life expectancy everywhere in the world.<br><br>The second is that there is an increase in the gap between men and women: female advantage in life expectancy used to be very modest, but it grew substantially over the course of the last century.<br><br>When you click on the option "Change country by country' in the chart, you will be able to verify that these two points are also applicable to other countries that have available information: Sweden, France and the UK.