Biological differences help to explain women’s higher longevity.
Scientists believe that estrogen in women combats conditions such as heart disease.
Estrogen accomplishes this by reducing circulatory levels of harmful cholesterol.
Women are also thought to have stronger immune systems than men.
Also, females have two X chromosomes while males have an X and a Y.
The theory is that the extra X in females has a protective effect against harmful mutations. (ourworldindata.org)
So, there you have it!
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