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6 ways dogs help you stay healthy

A woman plays with a puppy.

March 23, 2026—Who knew that having a dog could make you happier and healthier? Well, dog owners do.

But don't just take their word for it. Science shows dogs boost our health and our moods—and may even help us live longer.

6 reasons dogs really are our best friends

1. Dogs are natural exercise partners. Dogs love to take long walks and run around. That gets you moving, too, which is great for your health. For example, the American Heart Association (AHA) reports that people with dogs are 34% more likely to fit in 150 minutes of physical activity a week than those without a dog.

2. Dogs make humans happy. Engaging with your dog increases calming and relaxing hormones like serotonin and dopamine, aka "happy hormones," and reduces cortisol, a stress hormone, says the AHA. Interacting with your dog can help you feel secure, relaxed and affectionate, according to HelpGuide. It's no surprise that pet owners are less likely to have depression than people without pets.

3. Dogs soothe stress. Stressful situations can be easier with a dog at your side. In fact, cardiovascular responses are calmer in people with a dog companion present than in people with a human friend.

4. Dogs are a social lubricant. Dogs are great company. But they also help you connect with other humans. Walking a dog tends to lead to more social interaction, says the AHA. That may be why pet owners in the U.S. were more likely to know their neighbors. And beyond their role as a conversation starter, dogs also help ease social anxiety, which can help you make the most of those moments.

5. Dogs stimulate your brain. Having a pet may help your brain stay healthier as you age, reports AARP. Some research has linked pet ownership to slower cognitive decline. Daily care tasks, exercise and the love you give your pup all stimulate the brain—which can help it to stay healthy.

6. Dogs help your heart. In addition to the heart-health benefits of exercise and emotional support, just petting your dog can help lower your blood pressure and heart rate, says the AHA. Pet owners also tend to have lower cholesterol levels than people without pets. Dog owners are less likely to die from a heart attack or stroke. And, among people who live alone, those with dogs live longer after experiencing a heart attack or stroke.

Think you know how your pet could be affecting your health? Test yourself with our quick quiz.

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