Humans that own dogs live longer than those that do not say a recent pair of studies published last month.

Dogs and humans that like each other secrete the hormone oxytocin that is a behavioral trigger for bonding. According to a study published in Circulation: Cardiovascular Quality and Outcomes, according to the studies (1,2) dog ownership decreased mortality from all causes and was associated with a 21% reduction in mortality in people with pre-existing heart disease. Interesting, the reduction in mortality was more pronounced in those that lived alone, suggesting that the companionship of a dog might be a vital component of the effect.

What if you’re a cat person? Your interaction with your feline is beneficial, too, although cats leave much to be desired with their teaching style.