Why Do Women Live Longer Than Men? Science May Have an Answer

Dogs, chimpanzees, cats, humans... the truth is that whatever the species of mammal, females tend to live longer compared to males. But why is that?

RIO DE JANEIRO, BRAZIL - A group of Australian researchers claim to have finally solved the mystery: it's not about the gender, but rather about the chromosomes.

According to a study published on Wednesday, March 11th, by the scientific journal Biology Letters, and disclosed by BBC News, having two copies of the same chromosome is associated with a longer life, suggesting that the second copy provides a kind of protective effect.

All cells contain . . .

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