Destructive chewing is not a one size fits all problem, so let's look at the possible reasons a dog might chew.
Why Do Dogs Chew On Walls. Learn more about whydogs chew on wood, how common it is, and what you can do about it. Some dogs chew on things because they are stressed or worried just like people bite there finger nails.
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Most likely your dog is not sensing the paranormal and hunting. Additionally, a dog will often chew on clothing that smells like his owner as a way of comforting himself in your absence. Finally, puppies who are teething frequently want to chew on something to relieve their pain.
Dogs seek out the comfort of chewing on something, just like a human baby likes to put her mouth on something.
Chewing also helps dogs clean their teeth and exercise their jaws. This is true for a lot of animals. Bored dogs are destructive dogs. So why do dogs chew?