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 is this difference growing as time passes? We only have a few clues and the evidence is not strong enough to make an absolute conclusion. While we are aware that there are biological, psychological and environmental variables which play a significant role in the longevity of women over males, it isn't clear how much each factor contributes.<br><br>In spite of how much amount of weight, we are aware that at least part of the reason why women live so much longer than men and not previously, is to do with the fact that several key non-biological factors have changed. These are the factors that are changing. 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. We can see that all countries are above the diagonal parity line ; it means that in all nations baby girls can expect to live for longer than a newborn boy.1<br><br>This chart is interesting in that it shows that, while the advantage for women exists in all countries, difference between countries is huge. In Russia women live 10 years longer than men. In Bhutan the difference is just half each year.<br><br>__S.17__<br>__S.19__<br>In countries with high incomes, [http://ceostocks.etelligens.in/index.php/WSODominga27 افضل كريم للشعر] the female advantage in longevity was not as great.<br>We will now [https://www.dict.cc/?s=examine examine] how the gender advantage in longevity has changed over time. The next chart compares the male and female lifespans at birth in the US from 1790 to 2014. Two [https://www.wonderhowto.com/search/specific/ specific] points stand out.<br><br>The first is that there is an upward trend: Men and women in the US live much, [https://glorynote.com افضل كريم للشعر] much longer than they did 100 years ago. This is in line with historical increases in life expectancy everywhere in the world.<br><br>Second, the gap is widening: While the female advantage in terms of life expectancy was quite small, it has increased substantially over time.<br><br>It is possible to verify that these principles are also applicable to other countries with data by clicking on the "Change country" option on the chart. This includes the UK, France, and Sweden.