Rottweilers seem like macho, tough dogs, but a British pet insurance company concluded they were the most accident prone canines in the UK, with about 3 in every 5 needing serious vet treatment, requiring an insurance claim, for accidents in their lives. Last year's most sickly dog was the chocolate lab (really a colour type of lab, not a separate breed) and the year before, it was the boxer. On the other hand, poodles are still very hearty dogs, with only 1 in 5 ending up at the vets due to severe illness or accident.
Maybe a froo-froo dog knows something the tough brawlers don't?