One of the most common pets for people to keep is a hedgehog. The main reason for this is how easy hedgehogs are to care for. All it takes to keep them happy is a clean place to sleep and an adequate supply of fresh water and food. However, this doesn 't mean that they don 't need regular attention from a veterinarian. A sad example of this occurred recently when one rescued hedgehog made the news because it developed a rare disease from not being cared for properly. Hedgehogs have loose skin all over their body that allows them to curl up into a ball as part of a defense mechanism to confuse predators. But this extra skin can sometimes pose a problem to them. Gases can develop underneath it, which makes their body swell up like a