Dog lover, author, and freelance health writer Jean Callahan has contributed to five books and written articles for Self, Glamour, Parenting, and other national magazines. She has also written and produced many newsletters on health and pets. She lives in Salem, Massachusetts.
As a dog owner, you know that caring for your older pet can be a challenge. It's hard to watch your dog -- whose frisky puppy days don't seem so long ago -- begin to slow down a little and go gray around the muzzle. But thanks to extraordinary advances in veterinary medicine and...
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