feng xu/Getty Images
- Scientists in the UK investigated how a dog's breed, size, sex, and face shape affect lifespan.
- Flat-faced dogs, large dogs, and male dogs typically live shorter lives, the scientists discovered.
- Breeds that live longest, over 14.5 years, are Lancashire heelers, Tibetan spaniels, and Shiba Inus.
Everyone wishes their dog could live forever, but as any pet lover knows, these




