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So this is why women live longer than men!

This recent study has challenged the pre-conceived notion that the female sex is weaker.

Written by: India TV Lifestyle Desk, New Delhi [ Published on: January 10, 2018 16:47 IST ]
Image Source : TWITTER/BBC WOMAN'S HOUR So this is why women live longer than men!

There have been several reports on internet on why women live longer than men. Some even take a jibe at men’s erroneous ways of getting a job done for being the foremost reason of their early deaths. But science has something else to say. According to research, women are biologically stronger than men and hence usually they outlive their male counterparts. This recent study has challenged the pre-conceived notion that the female sex is weaker.  

The findings showed that women do not just outlive men in normal times, but they are also more likely to survive even in the worst of circumstances such as famines and epidemics.

Women's increased life expectancy is because they tend to have a survival advantage in infancy rather than adulthood. In times of adversity, newborn girls are more likely to survive than newborn boys.

However, even when mortality was very high for both sexes, women still lived longer than men by six months to almost four years on average. This advantage in women may be largely due to biological factors such as genetics or hormones, especially estrogens, which enhances the body's immune defenses against infectious disease, the researchers explained.

"Our results add another piece to the puzzle of gender differences in survival," said researchers led by Virginia Zarulli, Assistant Professor at the Duke University in Durham, US.

In the study, published in the journal Proceedings of the National Academy of Sciences, the team analysed mortality data going back roughly 250 years for people whose lives were cut short by famine, disease or other misfortunes.

The data extended to seven populations in which the life expectancy for one or both sexes was a dismal 20 years or less. It found that newborn girls are hardier than newborn boys due to biological factors.

(With IANS Inputs)

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