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 live longer than men? And why has this advantage gotten larger as time passes? We only have a few clues and the evidence is not sufficient to support a definitive conclusion. Although we know that there are biological, behavioral, and environmental factors which play a significant role in the longevity of women over men, [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] we do not know how much each factor contributes.<br><br>We know that women are living longer than males, regardless of weight. However this is not because of certain biological factors have changed. What are these new factors? 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, [http://videos-francois.fr/wiki/index.php?title=Why_Are_Women_Living_Longer_Than_Men افضل كريم للشعر] 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 above the line of parity diagonally. This implies that a baby girl from any [https://search.un.org/results.php?query=country country] can expect to live longer than her brother.<br><br>This graph shows that even though women enjoy an advantage everywhere, cross-country differences can be significant. In Russia women live 10 years more than males. In Bhutan there is a difference of less than half a calendar year.<br><br>__S.17__<br>__S.19__<br>In rich countries the advantage of women in longevity was not as great.<br>We will now examine how the gender advantage in longevity has changed with time. The next chart plots the life expectancy of males and females when they were born in the US from 1790 to 2014. Two distinct points stand out.<br><br>There is an upward trend. Both genders in the United States live longer than they did a century ago. This is in line with historical increases in life expectancy everywhere in the world.<br><br>The second is that there is an ever-widening gap: female advantage in life expectancy used be very small, but it grew substantially during the last century.<br><br>You can confirm that these points are also applicable to other countries with data by clicking the "Change country" option on the chart. This includes the UK, France, and Sweden.