High levels of testosterone makes men aggressive

Testosterone is the cause of unpredictable behaviour and aggression by men. This convinced the experts from the National Academy of Sciences. They found a clear correlation between a male character and level of testosterone.

In the experiment, the researchers took 40 men. The first group of volunteers in the blood have entered the testosterone, the second a placebo. Subjects were asked to conduct debates.

Introduction to blood testosterone increased aggression in men. In the proposed game, the first group significantly more likely to disagree with the opponent, rejected the proposal and in General behaved more aggressively.

Apparently, testosterone is a more complex hormone than previously thought a few decades ago. Future research may reveal other, yet unknown side of a chemical.

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