In a viral story, one researcher claims to be able to double the lifespan of our feline friends by curing chronic kidney disease. We don't know if he can make cats live twice as long, but we do know ... AZ Animals on MSN: Indoor cats live longer, but are they actually happy?

Context Explanation

Here’s what the science says Cat owners often debate whether cats should live indoors or roam outside. Indoor cats face fewer dangers from traffic, predators, and disease, and research shows they live much longer than those ... Indoor cats live longer, but are they actually happy? Here’s what the science says