The Elderly and Dogs: A Proven Symbiosis

We all know that having a dog is beneficial for owners. Here, we'll look at studies that demonstrate this symbiosis with the elderly.
The Elderly and Dogs: A Proven Symbiosis
Samuel Sanchez

Written and verified by the biologist Samuel Sanchez.

Last update: 22 December, 2022

We all know that dogs bring joy and energy into a home, regardless of how old the owners are. The animals are energetic, loyal, affectionate, and love to be around people, making them ideal for alleviating loneliness. This makes the elderly and dogs ideal companions.

Still, few people have actually read about the scientific evidence that confirms the benefits of having a dog in our lives. In fact, this interaction is even more important with the elderly. In this article, we’ll show you how well the elderly and dogs work together.

A longitudinal study about the elderly and dogs

The first study we’re going to discuss looks at the relationship between the physical condition of elderly people and the presence of a pet in their daily routine:

  • There was a sample group of more than 1,000 people over the age of 65. Some owned pets and others didn’t.
  • Researchers conducted a questionnaire by telephone, which included questions on both demographic data and daily behavior. There was a scale of Daily Activities of Life (DAL), which included activities such as climbing stairs, walking certain distances, doing vigorous exercise, bending over, and dealing with certain positions, among others. Finally, the researchers quantified each individual’s physiological well-being based on various issues.
  • Then, they followed up with the older people for one year.

The results were illuminating. The presence of a dog or cat at home significantly increased the DAL of the elderly in general.

Researchers in the scientific community know that maintaining an active lifestyle reduces the chances of falls and fractures. In addition, it helps slow down the process of bone and muscle wear associated with age. Dog owners go out for walks, exercise, play with their dogs, and interact at different levels. Although this may not seem like much, this small daily exercise can have great benefits for the elderly.

The elderly and dogs can be great companions.

The elderly and dogs: Canine assistance for people with dementia

The second study was published in 2008. Researchers tried to investigate the relationship between animal therapy and the development of dementia in the elderly:

  • Researchers looked at a random group of 54 elderly patients with dementia. They assigned half the patients a normal treatment, while the other half had a combination of normal treatment and animal-assisted therapy (AAT) 10 times a week.
  • Then, researchers recorded the progress of all patients after 10 weeks of treatment. They observed various quantified variables: cognitive impairments, the presence of agitation or aggression, and depression associated with dementia.

In the control group, which only underwent normal treatment, the variables listed above increased considerably by the end of the follow-up period. However, in the group that received animal-assisted therapy, symptoms were constant and there was no worsening over time of older people with dementia.

Of course, there’s no magical treatment for this type of disease. However, the fact that dementia patients maintained constant variables thanks to animal care is already a huge advance. These results demonstrate that animal therapy would help curb symptoms of neuropsychiatric degeneration in the elderly.

Multiple studies, one idea

There are countless other studies like these ones. For example, other research from 2014 shows that the elderly with dogs perform 12% more exercise on average than those who don’t have an animal in their lives.

However, the interaction between the older person and the animal does more than just offer a physical benefit. Like dogs, we’re social animals. In fact, we require company, even if it’s from beings of another species. In many cases, the elderly are removed from a fast-moving society.

People don’t take time to stop and chat with elderly people often. However, dogs are loyal, faithful, and attentive. Above all, they know how to understand human emotions and react accordingly.

An old man sitting with a dog and a cat.

As you can see, there are multiple scientific studies that show how dogs are the perfect companions to help alleviate symptoms from isolation, neurodegenerative diseases, and physical atrophy, among others. If this is interesting to you, we encourage you to do your own research on the topic. There are so many scientific studies that deal with these ideas.


All cited sources were thoroughly reviewed by our team to ensure their quality, reliability, currency, and validity. The bibliography of this article was considered reliable and of academic or scientific accuracy.



This text is provided for informational purposes only and does not replace consultation with a professional. If in doubt, consult your specialist.