Комментарии читателей

Why do women live longer than men?

Cathryn Richter (2022-04-22)

\u0637\u0631\u064a\u0642\u0629 \u0644\u062a\u0637\u0648\u064a\u0644 \u0627\u0644\u0634\u0639\u0631 \u0641\u064a \u0627\u0633\u0628\u0648\u0639 \u0645\u062c\u0631\u0628\u0629 - Wasfa BlogEverywhere 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 main reason women are more likely to live longer than men? And how the advantage has grown in the past? There is only limited evidence and افضل كريم للشعر the evidence isn't strong enough to make an informed conclusion. We know that behavioral, biological and environmental factors play a role in the fact that women have longer lives than men, However, we're not sure what the contribution of each factor is.

Independently of the exact number of pounds, we know that at least a portion of the reason why women live so much longer than men but not previously, is to relate to the fact that some fundamental 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. Some 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 survivors, ended up raising women's longevity disproportionately.

Everywhere in the world women tend to live longer than men
The first chart below shows life expectancy at birth for men and women. We can see that all countries are over the line of parity diagonally. This implies that a baby girl from any country can anticipate to live longer than her older brother.

This graph shows that although women have an advantage across all countries, differences between countries can be substantial. In Russia women have a longer life span than men; in Bhutan the gap is less than half a year.

The advantage for women in life expectancy was less in rich countries as compared to the present.
Let's now look at the way that female advantages in terms of longevity has changed over time. The following chart shows the gender-based and female-specific life expectancy at the time of birth in the US during the period 1790 to 2014. Two distinct points stand افضل كريم للشعر out.

First, there's an upward trend. 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.

The gap is widening: While the female advantage in life expectancy was extremely small, it has increased substantially in the past.

If you select the option "Change country' on the chart, you will be able to check that these two points are also applicable to other countries that have available information: Sweden, France and the UK.