What is the reason often attributed to the Newfoundland's typically shorter life expectancy compared to some other breeds?

Answer

Susceptibility to certain large-breed health challenges due to massive size.

The shorter duration for the Newfoundland is sometimes attributed to the breed’s massive size and associated susceptibility to certain large-breed health challenges.

What is the reason often attributed to the Newfoundland's typically shorter life expectancy compared to some other breeds?
DogLongevitybreedNewfoundlandgolden