Getting a new puppy or kitten is such an exciting time for any family and should be the start of a beautiful, long friendship. Picking a breed can be difficult and is sometimes a choice made on an impulse because a certain look or character seems to be just what you want. Sadly, a snap decision can turn into heartache if the breed you pick doesn't suit your lifestyle or has health issues that you didn't know about. Some breeds of dogs and cats have...