Testosterone is the primary male sex hormone and anabolic steroid. In men, testosterone plays a key role in the development of male reproductive tissues such as testes and prostate. It also promotes a secondary sexual characteristics such as increased muscle and bone mass.
For many years, testosterone was the metaphor for aggression. But is that true? Science now has a different view on the matter.
For many years, men with a high amount of testosterone have been accused of violent and competitive behavior. But the image of the sex hormone is changing. Unlike in the animal world, testosterone makes one aggressive is not true in humans.
Recent studies even suggest that testosterone can promote selfless behavior. Jean-Claude Dreher from Lyon is one of the leading expert in the field. In this documentary we take a look at his experiments. They show that testosterone does not make men aggressive, but instead, it allows them to act in a strategic manner.
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