The scientists said the gradual reduction in the level of human intelligence

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Ученые рассказали о постепенном снижении уровня интеллекта человечестваIntellectual abilities of people began to fall.

The results of IQ tests show a decrease in the level of intelligence of subjects over several decades, reports MedicalXpress.

Increases in IQ during the first half of the twentieth century has been called the Flynn effect. To explain this phenomenon was put forward many hypotheses. Among the factors that could theoretically affect “poumnenie” of humanity, called the improving nutrition, health and education.

However, as found by Norwegian scientists, this effect has been reversed, and intellectual abilities of people began to fall. The material for the study was the results of testing the IQ of Norwegians admitted to military service in the years 1970-2009. Scientists used the results of 730 thousand tests.

According to researchers, for the generation of the level of intelligence has decreased by an average of seven points. Part of the drop in IQ may be due to environmental factors and changes in lifestyle of people, scientists believe.

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