Discover the advantages of adopting a dog

Tens of thousands of dogs wait in shelters right now for a home that may never come. Adopting one of them is not just a kind act. Research shows it may be one of the better health decisions you can make for yourself.

The case for adoption over purchase

Shelters hold dogs of every age, size, and temperament. Staff spend weeks observing each animal and can match a dog's energy level and character to yours with a precision no breeder website can replicate. That matching process matters. A dog that genuinely fits your lifestyle is a dog you will actually walk every day, and daily walking is where most of the measurable health benefits begin.

There is also the waiting time question. Buying a puppy from a recognised breeder can involve months on a waiting list. Most shelter dogs are available immediately. Many are already house-trained, respond to basic commands, and have been assessed for behaviour around other animals and children.

Physical activity: the numbers are clearer than you might expect

Most adults fall well short of the 150 minutes of moderate physical activity per week that health guidelines recommend. Dog ownership addresses that gap in a straightforward way: the dog needs a walk, so the walk happens.

A 2019 study by Westgarth et al., published in Scientific Reports, found that dog owners were four times more likely to meet weekly physical activity guidelines than people without a dog (OR = 4.10, 95% CI 2.05–8.19). The study tracked 191 dog-owning adults and 455 non-dog-owning adults in the UK and measured activity objectively with accelerometers, not self-report estimates.

The effect is not subtle. Four times more likely is a large difference, and it shows up consistently across populations and methodologies. A dog does not let you skip a walk because the weather is bad or the sofa is comfortable.

Breed and lifestyle matching

A high-energy breed with an inactive owner is a problem for both parties. Shelter staff see this regularly. The honest answer is that adopting a Vizsla when you work from home and rarely leave the house is setting yourself up for a difficult first year. Ask about each dog's actual exercise history before deciding.

Heart health: what a large cohort study found

In 2017, Mubanga et al. published a nationwide cohort study in Scientific Reports following 3,432,153 Swedish adults for up to 12 years. Dog owners in single-person households had a 33% lower risk of death from any cause and a 36% lower risk of cardiovascular death compared to non-owners (HR 0.67 and HR 0.64 respectively). Even in multi-person households, the reduction in cardiovascular mortality was 15% (HR 0.85).

The researchers could not fully separate the effect of increased physical activity from other factors such as social contact and reduced loneliness. That ambiguity is worth naming. A dog does not cure heart disease. What the data suggest is a meaningful association, not a simple one-direction cause.

"Dog ownership was associated with lower risk of cardiovascular disease and death, especially in single-person households."— Mubanga et al., Scientific Reports, 2017

Mental wellbeing: a more complicated picture

The evidence for mental health benefits is real but less uniform than the physical activity data. A 2022 systematic review by Applebaum et al., published in Gerontology and Geriatric Medicine, examined six studies totalling 25,138 older adults and found that regular contact with a dog was associated with fewer symptoms of anxiety. The association with depression was smaller and less consistent across studies.

What the research does show reliably: dogs reduce loneliness, create daily social contact (other dog owners talk to each other), and give their owners a sense of routine and purpose. Those effects are hard to quantify in a single number, but they are real and they show up across populations.

The honest caveat is this: a dog that is poorly matched to your life, or one that develops serious behavioural problems, creates stress rather than relieving it. Adoption does not automatically produce wellbeing. Adoption with good matching, realistic expectations, and some early training support does.

What adoption means for the dog

A dog's welfare in a shelter declines over time. Noise, confined space, disrupted routines, and repeated exposure to strangers are stressors that accumulate. Research on shelter welfare consistently finds that time in a shelter increases cortisol levels and reduces behavioural indicators of positive welfare. Getting a dog into a stable home faster is better for the dog, not just the human.

Return rates after adoption run at roughly 10–20% across most shelter studies, typically because of behavioural mismatches that were not identified before adoption. Spending time with a dog at the shelter before committing, asking staff direct questions about any known behaviour concerns, and agreeing to a trial period where the shelter offers post-adoption support all reduce that risk substantially.