Testicular torsion can occur in one male after an event that would not cause the condition in another, such as a blow or other injury to the testicles. Physical exercise and sports can also cause the testicles to twist, or it may occur during sleep. During puberty, the testicles grow at a very fast rate, and this is also known to cause testicular torsion. Experts believe cold weather makes some men more likely to develop the condition.

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