Spaying female cats lowers the risk for mammary cancer, ovarian, or uterine cancer, as it prevents them from going into heat.

Female cats should be spayed before their first heat, as each cycle of heat creates a greater risk for mammary cancer.

Saturated fat has also been shown to promote the growth of chemically caused mammary cancer in experimental animals.

The growth of mammary cancers in rats has been inhibited and melanoma cell growth has been slowed in culture.

And there were animal studies indicating that a high-fat diet could lead to more mammary cancer.

Monocyclic amines have been found to cause mammary cancer in rats.

Laboratory studies on mice have shown that a high level of benzene exposure can lead to mammary cancer.

Not only that, it has a lot of other benefits to it as well including eliminating the risks of mammary cancer in the female animals.

Spaying and castrating can decrease the risk of hormone-driven diseases such as mammary cancer, as well as undesired hormone-driven behaviors.