The struggle for women killing men

If a man grew up in an environment where the boys was more than girls, its average life expectancy will be less. That is the conclusion reached by researchers from the United States.

In a typically male environments where boys need most to fight for the attention of the fairer sex. When a girl falls for two or three guys between them willy-nilly turns the competition, which shortens the life of men. On average, they live for three months shorter than those of boys who grew up surrounded by a large number of women and girls.

Scientists have repeatedly conducted studies in animals in order to see how the dominance of male and female influences their life span . But first people have become the object of study. The work was headed by Nicholas Christakis, a professor of medicine and medical sociology at Harvard Medical School and professor of sociology at the Faculty of Arts and Sciences at Harvard University.

"Of course, many would think that some three extra months of life is not great - explains the results of the study, Professor Christakis. - However, it is comparable in performance with a daily aspirin or moderate exercise. The average man aged 65 can expect to live 15 years and 4 months. In this regard, three additional months of life is not seem such a nonsense is 1 to 6%. "

Professor Christakis found that the boys who were in the class consisting mainly of boys, lived less than their peers from the class with a lot of girls.

Psychology

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