More baby boys are making it out of the gate, thanks to an increase in C-sections and better neonatal care
By Laura Allen
Posted 03.26.2008 at 5:13 pm
We all know that women outlive men. But there's some good news for XYs: since the 1970s, the gender gap in life expectancy has shrunk. Now, a study released Monday in Proceedings of the National Academy of Sciences explains a major reason why. Surprisingly, the answer has little to do with eating fewer Big Macs. Since the 1970s, more baby boys are surviving birth in the first place.
The study authors analyzed more than 250 years of mortality data from 15 developed countries. Turns out that in 1751, males were only 10 percent more likely to die at birth than females. But that disadvantage increased until its peak of 30 percent around 1970. Since then, remarkably, it has declined.
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