By Dr. Becker

If you’re familiar with the term “the graying of America,” you know it refers to the fact that the American population is increasingly dominated by older people. In other words, the median age of Americans is going up.

But what about the graying of America’s dogs? Have you noticed all the white muzzles out there these days? Have you been surprised to learn a very gray dog is just 5 or 6 years old? What’s going on?

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