Scientists have explained why women live longer than men Bashny.Net

Everyone knows that on average women live five years longer than men. On life expectancy may affect social and biological factors. Biology strikes first: for 1-year mortality among boys 25-30 percent higher mortality of girls. For every hundred women is born with about one hundred and five future men – in this way nature guarantees that in future the number of both sexes be compared.

 
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A huge role is also played by the ability to adapt to pregnancy and breast feeding that helps women to cope with the excess calories.

Even if the lifestyle and habits of women and men are similar, they have different manifestation. Social factors may affect lifespan. Women smoke less, drink less alcohol and more cautious driving.

 
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The main factor that determines the life expectancy of people is the ability of grandparents to live to old age, so they can surround with care and attention to their grandchildren. That is, these young people will gain a more comfortable living environment during the development and will gain evolutionary advantage over those whose grandparents left early from life.

 
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As a result, the life expectancy is shown in the annual monotonic growth, and people from generation to generation can live much longer.

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