Reviewed by Dr. Becker

How does your dog see the world — does he have a positive or negative outlook on life? These Australian researchers devised a study to find out, and discovered how dogs act when they are pessimists. How to tell if your pet is an optimist or pessimist, and what that means for their happiness.

Don't be discouraged by its name — it may be the relief you've been hoping for if your pet suffers from any of these painful or crippling conditions. It's helping to return pets back to full activity and improve quality of life, even for those where relief wasn't thought possible.

Everyone seems to crave one of these canine gems today. But be careful what you wish for, or you could be in for a big surprise. They can be a nuisance, get bored and restless, and cause you a lot of trouble you weren't prepared for. Remember — Not all that glitters is gold.