Analysis by Dr. Karen Shaw Becker

Your vet may tell you that your dog or puppy needs both of these, but here, I explain why I don't believe it's necessary. As long as this second infection isn't present, your dog will likely show no symptoms from the other mild, yet highly contagious virus.

It's time to expose the leading kibble myths that just won't die, and one that nearly half of pet owners believe could actually harm their pets. Falsehoods aside, discover the canine-approved option that can reduce tartar by 87% in only 20 days.

Makes your pet feel rotten with pain, vomiting and more. And can demand donning your detective's hat - especially due to its on and off nature that can make you think it's resolved, even if it isn't really.

The results were dramatic and swift. The toxic loads in these 14 dogs skyrocketed to triple their baseline - in just 2 short weeks. Just think what would happen with long-term use. And to think, one of these supposedly contains none of this particular toxin. Be careful with that claim.