What factor is cited as perhaps the single most effective tool an owner has for influencing a specific Maltipom's longevity?

Answer

Lifestyle management

Consistency in lifespan figures across sources suggests that proactive lifestyle management, which includes diet and exercise, is the most effective tool an owner possesses to maximize the dog's lifespan.

What factor is cited as perhaps the single most effective tool an owner has for influencing a specific Maltipom's longevity?
DoglifespanbreedMaltipom