For over 30 years research has showed that people owning a pet benefit with health improvements both mentally and physically. One of the reason why is because owning a pet specifically a dog helps is because they are all blessed with good hearts.
One of the main benefits of being a dog owner is your reduced risk to cardiovascular disease. According to a 2013 special report that was issued by the American Heart Association people who have has a heart attack have a better recovery with having a dog in their life, and people who have not had a heart attack have less of a risk.