Animals play an important role in many people's lives. Most people accepts that who have a pet have healthier hearts, stay home sick less often, make fewer visits to the doctor, get more exercise, and are less depressed. Pets especially dogs have a significant impact on our life. Incredibly loyal, they comfort, protect, and love their humans unconditionally, making dogs superior to any other pet out there but not all dogs are created equal. These are the best as well as smartest dog breeds, based on factors including health, personality, and overall popularity.