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. Why do women live so more than men do today and why has this advantage increased over time? The evidence is limited and we're left with only some solutions. We know that behavioral, biological and environmental factors all contribute to the fact that women have longer lives than men, however, we do not know how much the influence to each of these variables is.<br><br>We are aware that women live longer than men, regardless of weight. However this is not because of certain biological or non-biological factors have changed. What are these factors that have changed? Some are well known and relatively straightforward, like the fact that men smoke more often. There are other issues that are more intricate. 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, [https://glorynote.com/%D8%A7%D9%81%D8%B6%D9%84-%D9%83%D8%B1%D9%8A%D9%85-%D9%84%D9%84%D8%B4%D8%B9%D8%B1/ افضل كريم للشعر] 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. We can see that all countries are above the diagonal parity line ; this means in all countries baby girls can expect to live for longer than a new boy.1<br><br>This chart illustrates that, although women have an advantage in all countries, the differences across countries can be substantial. In Russia women have an average of 10 years more than males; while in Bhutan the gap is less than half a year.<br><br>__S.17__<br>__S.19__<br>The advantage of women in terms of [https://www.caringbridge.org/search?q=life%20expectancy life expectancy] was lower in developed countries than it is today.<br>Let's look at how female longevity advantage has changed in the course of time. The chart below illustrates the male and female life expectancy at birth in the US during the period 1790 to 2014. Two things stand out.<br><br>First, there is an upward trend. Men and women living in America are living longer than they did 100 years ago. This is in line with [http://dig.ccmixter.org/search?searchp=historical%20increases historical increases] in life expectancy everywhere in the world.<br><br>Second, the gap is widening: While the female advantage in life expectancy was extremely small but it has risen significantly over time.<br><br>It is possible to verify that these principles are also applicable to other countries that have data by clicking the "Change country" option in the chart. This includes the UK, France, and Sweden.