By Dr Ganean Chetty Oertel, BVSc | Veterinary Medicine
In an era marked by sedentary lifestyles, rising rates of non-communicable disease, and declining mental wellbeing, one of the most effective — and often overlooked — health interventions may already be waiting at home on four legs. Increasing evidence shows that companion animals, particularly dogs, play a significant role in improving human physical activity, mental health, and overall wellbeing. Importantly, this benefit is not limited to pet owners alone, but extends into families and communities.
Pets as Natural Exercise Partners
Physical inactivity is a leading risk factor for global mortality. For many people, the barrier to regular exercise is not a lack of knowledge, but motivation and consistency. Pets, especially dogs, provide both.
Studies consistently show that dog owners are more likely to meet recommended daily physical activity levels than non-dog owners. The reason is simple: dogs need to be walked. This obligation creates routine, accountability, and purpose — key components of sustainable behaviour change. Even moderate activities such as walking, playing fetch, or light jogging contribute meaningfully to cardiovascular health, weight management, and metabolic control.
Unlike gym memberships or structured exercise programmes, pet-related activity feels less like a chore and more like a shared experience. This makes it particularly effective for individuals who struggle with traditional fitness approaches, including older adults and those with chronic health conditions.
Mental Health Benefits: More Than Just Exercise
While increased physical activity is a major benefit, the mental health advantages of pet companionship are equally compelling. Interacting with pets — through petting, cuddling, and playing — triggers the release of several hormones and neurotransmitters associated with positive feelings and social bonding. This includes:
- Oxytocin — the love hormone
- Dopamine — a neurotransmitter that creates a sense of pleasure and motivation
- Serotonin — associated with improved mood and sense of wellbeing
At the same time, pet interaction reduces the release of cortisol — the stress hormone.
Pets also provide structure and routine, which is particularly beneficial for individuals experiencing mental health challenges. Daily responsibilities such as feeding, walking, and grooming create a sense of purpose and predictability, both of which are protective factors against depression.
For people who exercise with their pets, the psychological barrier to activity is lower. Walking a dog is often perceived as safer, more socially acceptable, and less intimidating than exercising alone.
Social Connection and Community Health
Pets are powerful social catalysts. Dog walking, in particular, increases casual social interactions with neighbours and strangers, strengthening community bonds and reducing feelings of isolation.
From a public health perspective, pet-friendly environments — such as safe walking routes, green spaces, and community veterinary services — can indirectly promote human health by encouraging movement and social engagement.
A One Health Perspective
The health benefits of pet ownership highlight the interconnectedness of human, animal, and environmental health — a core principle of the One Health approach. When pets are healthy, vaccinated, and well cared for, they are better able to support human wellbeing. Therefore, encouraging responsible pet ownership is a preventive healthcare strategy.
Considerations and Inclusivity
It is important to acknowledge that pet ownership is not feasible for everyone. Housing restrictions, financial limitations, and lifestyle constraints can be significant barriers. However, the human–animal bond can still be leveraged through alternatives such as community dog-walking programmes, animal-assisted therapy, and volunteering with shelters.
For healthcare professionals, discussing physical activity through the lens of pet interaction may offer a more relatable and achievable entry point for patients who are resistant to conventional exercise advice.
Conclusion
In a world searching for sustainable, low-cost interventions to improve physical and mental health, pets offer a unique solution. By encouraging regular movement, reducing stress, fostering social connection, and providing emotional support, companion animals help humans become more active — together.
Integrating pets into health promotion strategies is not a novelty; it is an evidence-based opportunity to improve wellbeing, for both people and animals, through one of the most natural partnerships we have.

