Dogs, people, and the environments we share

One Health

Behavior does not exist in a vacuum. Dogs, people, health, welfare, and environment continually shape one another.

The short version

One Health is a collaborative public-health approach that connects human, animal, plant, and ecosystem health. Its major applications include zoonotic disease, antimicrobial resistance, food safety, pollution, climate, and other shared threats.

You have probably seen this before

A dog starts struggling behaviorally after a major life change.

A guardian becomes overwhelmed, stressed, or burned out, and their dog starts showing signs of stress too.

A lack of exercise, enrichment, sleep, safety, predictability, or support does not just affect your dog. It affects everyone in your household.

And yet, we are often taught to look at these as isolated “training problems.”

But behavior does not exist in a vacuum.

  • Dogs are affected by the environments they live in.
  • People are affected by stress, economics, health, and whether or not they have community support.
  • All of us are shaped by the systems and environments around us.

What “One Health” means

One Health is an integrated, collaborative approach that recognizes the close connections among the health of humans, animals, plants, and ecosystems. It brings public health, veterinary medicine, environmental science, agriculture, and other fields together instead of asking each sector to solve shared threats alone.

WHO, CDC, WOAH, FAO, UNEP, and other institutions use One Health in work on zoonotic disease, antimicrobial resistance, food safety and security, environmental contamination, climate change, and other health threats that cross species and systems.

That is important because it shows that the basic idea of interconnection is not fringe. It is part of a globally recognized scientific and public-health framework. That does not make health or public policy apolitical. It keeps us honest about scope: formal One Health is much larger and more specific than saying that everything affects everything.


One Welfare is the closer companion

One Welfare builds on and complements One Health. It focuses more directly on the links among animal welfare, human wellbeing, biodiversity, and the environment. That makes it especially useful when the question is not only whether a dog is physically healthy, but whether the dog feels safe, can express important behavior, has a workable relationship with the people around them, and lives in conditions that support welfare.

One Health and One Welfare overlap, but they are not synonyms. Health is part of welfare. Welfare also asks about the animal’s lived physical and mental state, including comfort, fear, distress, agency, relationships, and opportunity.

I use these frameworks as an invitation to widen the frame. Instead of asking only, “How do I stop this behavior?” I also ask what is happening in the dog, the household, the environment, and the relationship.

Consider this

  • A chaotic or chronically overstimulating environment can contribute to stress and reactive behavior. It is one possible influence, not a diagnosis or a guarantee.
  • Environmental degradation can create shared disease and health risks for humans, companion animals, wildlife, and ecosystems.
  • Human stress, instability, illness, disability, finances, housing, and lack of support can affect what care is possible. That is context to support, not a reason to blame a guardian.
  • Many dogs live in environments that do not reliably meet their needs for rest, safety, movement, exploration, play, predictability, and positive social connection.
  • Many people are overwhelmed, unsupported, or working from incomplete information. A humane plan has to be realistic enough to use.
  • Entire industries can profit from quick fixes instead of long-term wellbeing. I ask where that incentive shows up in dog training and what it teaches us to ignore.

These aren’t separate problems. They’re different expressions of the same system. And behavior is often the first visible indicator that something in that system isn’t working.

Different approaches to dog training are often built on very different assumptions. Some focus heavily on suppressing unwanted behavior. But behavior is information and communication, not just something to be eliminated.

A systems-informed approach recognizes that a learner’s behavior may be connected to stress, environment, emotional wellbeing, physical health, the quality of relationships, learning history, and overall quality of life. It means we gather more information before reaching for control.

What this changes in practice

  1. Start with safety. Use distance, barriers, leashes, gates, and thoughtful management so nobody has to learn in a crisis.
  2. Check physical health. New or sudden behavior changes can have a medical component. A veterinarian belongs in the plan when pain, illness, medication effects, sensory change, or another health issue may be involved.
  3. Map the environment. Look at sleep, enrichment, predictability, triggers, recovery time, access to species-typical behavior, and opportunities to opt out.
  4. Support the human side. Build a plan around the guardian’s actual time, energy, mobility, finances, housing, family, and access to help.
  5. Teach, do not only suppress. Reduce the need for the unwanted behavior and teach a safer, useful alternative with humane methods.
  6. Measure more than compliance. Ask about fear, stress, recovery, trust, physical comfort, and whether life is getting more workable for the dog and the people.

When we care for animals, people, and the environment as connected systems rather than isolated problems, we can create conditions for better behavior, better health, and better outcomes.

One Health has to mean something

One Health is often presented as a promise to consider human, animal, and environmental health together. The conversations below ask what that promise requires when war damages all three, and whether powerful institutions apply their stated principles consistently.

Why Are US Veterinarians Being Intimidated and Silenced?

OUR CONVERSATION WITH DR. ERIKA LIN-HENDEL AND DR. SERENA NAYEE · NOVEMBER 8, 2025 · 28 MINUTES

Dr. Lin-Hendel and Dr. Nayee discuss One Health crises in Palestine, Sudan, and Congo, along with their account of being asked to censor an accepted presentation shortly before the 2025 AVMA convention.

Justice for Dr. Muath

WITH ANIMAL HEALTHCARE WORKERS AGAINST GENOCIDE · OCTOBER 19, 2025

The campaign page brings together the context of Dr. Muath Talat Abo Rokba’s life and work, our timestamped Doctors Against Genocide appearance, the pressure campaign directed at the AVMA, and current ways to help his family and continue the work.

More from this reporting

Content and scope note: These conversations discuss war, killing, censorship, and institutional accountability. Claims about the AVMA’s handling of presentations and public comments are the participants’ accounts and our reporting. The full conversations are linked so readers can hear the context directly.

Where do you want to go next?

When training feels overwhelming

Start with a smaller, realistic plan that supports you and your dog.

Reactive Dogs

Apply safety, environment, emotional health, and skill-building to reactivity.

Training Is Political

Look at the values hidden inside our ideas about obedience, power, and care.

Connected Struggles

Read the longer personal essay about care, power, and liberation without treating different struggles as identical.

500 Years of Dog Training

See how culture and institutions shaped the methods we inherited.

The Bigger Picture

Return to the full map of evidence, history, systems, and liberation.

Sources and further reading

The source type matters here. Official definitions establish what institutions mean by One Health. One Welfare sources define the related welfare framework. Companion-dog studies can inform my application, but no single study proves every household example on this page.

Formal One Health definitions and institutions
One Welfare and animal welfare
Companion-dog welfare and shared stress

For the larger running archive behind the site, visit the Source Library.

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