[custom_adv] Animal Hospital is a British television show starring Australian singer and TV presenter Rolf Harris that ran on BBC One from 1994 until 2004. The series featured animal welfare stories from many RSPCA hospitals, including Harmsworth Animal Hospital in North London. [custom_adv] A pet or companion animal is an animal kept primarily for a person's company, protection, entertainment, or as an act of compassion such as taking in and protecting a hungry stray cat, rather than as a working animal, livestock, or laboratory animal. [custom_adv] Popular pets are often noted for their attractive appearances, intelligence, and relatable personalities, or may just be accepted as they are because they need a home. [custom_adv] Small pets may be grouped together as pocket pets, while the equine and bovine group include the largest companion animals. [custom_adv] Pets provide their owners both physical and emotional benefits. Walking a dog can provide both the human and the dog with exercise, fresh air, and social interaction. [custom_adv] Pets can give companionship to people who are living alone or elderly adults who do not have adequate social interaction with other people. [custom_adv] There is a medically approved class of therapy animals, mostly dogs or cats, that are brought to visit confined humans, such as children in hospitals or elders in nursing homes. [custom_adv] Pet therapy utilizes trained animals and handlers to achieve specific physical, social, cognitive or emotional goals with patients. [custom_adv] Some scholars, ethicists and animal rights organizations have raised concerns over keeping pets because of the lack of autonomy and objectification of nonhuman animals. [custom_adv] Popular pets are often noted for their attractive appearances, intelligence, and relatable personalities, or may just be accepted as they are because they need a home. [custom_adv] Two of the most popular pets are dogs and cats. A cat lover is known as an ailurophile and a dog lover is known as a cynophile.