1. WEIRD SMELLS
You’ve probably grown accustomed to your dog’s bad breath, but you should be on the look out for any unusually bad (or just plain different) smells coming from your dog when you’re close enough to smell their breath.
Most times, it will just be due to something easily explainable like a change in diet, but you can never be too careful. Also pay attention for any odd odors coming from the nose or rectal area as potential signs of dog cancer.
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