Despite the current mistreatment of animals in some industries such as food production, clothing, cosmetics, some sports and entertainment, experiments or in particular negligence, since prehistoric times mankind has treated certain animals with love: its pets.
The origin of the term is associated with talisman and good luck.
Although the medical care of animals has been known since ancient times, but it was in the 20th century that,  pets are a commodity that drives the development of the veterinary industry. They have specific businesses and gondolas in supermarkets for their consumer and care products, and at the same time they are increasingly associated with the love and vitality they provide as company for people of all ages, even elderly people living alone.
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There are some foundations, social media groups and individuals that are dedicated to rescuing and connecting homeless animals with homes that want to adopt them. Others rescue, train and integrate them with institutions dedicated to human health, as part of both physical and mental treatments from children to war veterans. “...people help animals and animals help people," say the Helen Woodward Animal Center in San Diego.
We usually think of dogs and cats, but pets can be any animal that is domesticated, such as birds and cold-blooded reptiles like iguanas, especially for those allergic to fur. Each kind has its own particularity and bonding style. In some countries, they are seen with their owners not only in parks, but also in restaurants, stores, subways, airplanes, go to hospitals with volunteers, visit the sick without families and are official mascots in universities living on campus with the rector.
Today, pets not only inhabit children's stories, they are also part of many homes as an additional member.