Is raising a pet dog harmful to the human body?

Raising a pet dog in a normal and scientific way is harmless to the human body. As long as the owner raises the dog reasonably and healthily, and regularly vaccinates and deworms the dog. Not only is there no harm in keeping a pet dog, it also has many benefits. Keeping a dog can reduce people's depression. Dogs can accompany and listen to their owners. Keeping a dog can also enhance the owner's physical fitness. Dogs need exercise every day. Walking the dog also increases your own exercise. Keeping a dog can also improve the owner's happiness. The dog's smile is very healing and can reduce the owner's stress.