There are over 400 dog breeds worldwide and many varies sizes. Dogs are considered to be the best medicine out there (unless if your allergic.)   Your dog can boost your mood each and everyday since you have a furry friend with you. Dog owners have been found to have a lower blood pressure, lower cholesterol, and fewer heart attacks.’ If you buy a larger dog, it will help you stay active. Bigger dogs need to be walked often just because they can get very restless. Dogs can also be make great service and keep alert all day. Dogs are humans best friends and can possibly save your live. Dogs can detect the smell of cancer on you. They can lick or sniff continuously in areas you may have the cancer. Dogs will do everything to get a forever home. Why don’t you get a dog?