They help us being in movement.

If you have a dog, that means that sometimes you go for a walk with him, right? A study revealed that dog owners who walked with their dogs tend to achieve their weekly exercise hours, however, those who does not own a dog tend to have some difficulties achieving that hours their body needs.
They will help you to lower your stress levels.

A study has shown that people who take care of a dog during at least 3 month tend to lower their stress levels. The days their ambulatory blood pressure fell the lowest were the days they took their dogs to work. You may have heard about a hormone called cortisol, which is released when we’re stressed out, and is often coupled with heightened blood pressure. Over time, these factors can lead to high cholesterol and hypertension. Luckily, reducing stress can be as simple as having a dog or just interact with one, which significantly will improve your cortisol levels and immune system’s functions.
They will help you to lower your blood pressure levels.

It was found that when dog owners are supported by their dogs, it is more than enough to lower blood pressure caused by mental stress. All this was revealed by A study from the American Heart Association.