Pets

has more than tripled from the 1970s, when approximately 67 million households had pets, to 2012, when there were 164 million owned pets. In other words, in 2012, 62 percent of American households included at least one pet. That same year, according to the American Pet Products Association, Americans spent more than $50 billion on their beloved cats, dogs, and other animal companions. But some tim  ...