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Which of the following is a benefit of neutering?

  1. No reduction in wandering behavior

  2. Increased marking behavior

  3. No risk of testicular cancer

  4. Higher aggression levels

The correct answer is: No risk of testicular cancer

Neutering, or castration, offers several health benefits, one of which is the elimination of the risk of testicular cancer in males. This procedure removes the testicles, which are the primary site for testicular cancer to develop. By neutering, not only is the risk of this specific cancer removed, but it also decreases other health issues associated with the male reproductive organs. Understanding this benefit helps underscore one of the reasons pet owners choose to neuter their animals. It directly impacts the animal's health and contributes to responsible pet ownership by reducing the likelihood of certain diseases. Other aspects mentioned in the question highlight misconceptions or potential negative outcomes associated with not neutering an animal, such as persistent wandering behavior or increased aggression, but these do not represent health benefits. The correct answer emphasizes a significant positive outcome tied to the procedure itself.