Discover the science behind why we love our pets so much, from brain chemistry to emotional bonds that shape the deep ...

This is read by an automated voice. Please report any issues or inconsistencies here. Pet ownership can extend life expectancy through improved mental and physical health, including reduced stress, ...

Add Yahoo as a preferred source to see more of our stories on Google. Three dogs are fighting outdoor. Dogs scare each other in an aggressive behavior in garden outdoor.© Take Photo/Shutterstock.com ...