I love cats and dogs 
There are so many different kinds of pets.  But cats and dogs are the most popular
Yes they are actually among the top most owed pets in the country
Petrs have a lot of physical and emotional benefits as true companions, for everyone  -including elderly and disabled
Even the sick in hospital do get free pets to adopt
such as children in hospitals or elders in nursing homes. Pet therapy utilizes trained animals and handlers to achieve specific physical, social, cognitive or emotional goals with patients.
Some scholars, ethicists and animal rights organizations have raised concerns over keeping pets because of the lack of autonomy and objectification of nonhuman animals.
Pet popularity.
There are approximately 86.4 million pet cats and approximately 78.2 million pet dogs in the United States, and a United States 2007–2008 survey showed that dog-owning households outnumbered those owning cats, but
wide variety of animals are kept as pets, from invertebrates such as tarantulas and octopuses, insects including praying mantises, reptiles such as snakes and chameleons, and birds including canaries, parakeets and parrots all finding a place. Mammals are the most popular pets in the Western world, with the most kept species being dogs, cats, and rabbits. For example, in America in 2012 there were some 78 million dogs, 86 million cats, and 3.5 million rabbits. There is a tension between the role of animals as companions