18. Cats Don’t Need to Be Spayed or Neutered If Kept Indoors

It’s a myth that indoor cats don’t require spaying or neutering. Even the most careful owners can experience unexpected escapes, leading to unwanted litters and contributing to overpopulation. Sterilization offers health and behavioral benefits, such as lowering cancer risk and curbing unwanted marking or aggression. Responsible pet care includes spaying or neutering every cat. Learn more from the ASPCA’s guide to sterilization.