Why Men Go Nuts at Sporting Events

Screaming, smack talking, booing, crying and even praying are pretty common sights at anyplace a group of men gather to watch sports - whether it be at the stadium, a sports bar or even in a living room.

That sometimes extreme and crazy behavior is not their fault. They can blame steroids, the natural kind.

According to a new study by the University of Valencia in Spain, two hormones - testosterone and cortisol - increase in the bodies of male sports fans during an event.

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