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 is the reason women have a longer life span than men? Why does this benefit increase in the past? There is only limited evidence and the evidence isn't sufficient to reach a definitive conclusion. We know there are biological, psychological and environmental variables which all play a part in the longevity of women over men, we don't know how much each factor contributes.<br><br>In spite of how much number of pounds, we know that at a minimum, the reason women live so much longer than men in the present but not in the past, is to have to do with the fact that certain important non-biological aspects have changed. What are these changing factors? Some are well known and relatively straightforward, like the fact that men smoke more often. Others 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 all countries are over the line of parity diagonally. This means that a newborn girl from any country can anticipate to live longer than her older brother.<br><br>This chart is interesting in that it shows that the advantage of women is present everywhere, [https://glorynote.com/%D8%A7%D8%A8%D8%B1-%D8%A7%D9%84%D8%AA%D8%AE%D8%B3%D9%8A%D8%B3/ ابر التخسيس] difference between countries is huge. In Russia women have an [https://www.healthynewage.com/?s=average average] of 10 years more than males; while in Bhutan the difference is less than half each year.<br><br>__S.17__<br>__S.19__<br>The advantage for women in life expectancy was much lower in developed countries that it is today.<br>Let's look at how female longevity advantage has changed over time. The next chart shows the male and female lifespans when they were born in the US over the period 1790-2014. Two distinct features stand out.<br><br>First, there's an upward trend. Men as well as women in the US are living much, much longer today than a century ago. This is in line with historical increases in life expectancy everywhere in the world.<br><br>Second, there's an increasing gap: The female advantage in terms of life expectancy used to be very small however, it has increased significantly over the last century.<br><br>When you click on the option "Change country from the chart, you can verify that these two points also apply to other countries that have available information: Sweden, France and the UK.