One day, Maureen’s dog Max started acting strangely around her, and no matter what she did to cheer him up, she just couldn’t seem to get him back to his old self. He didn’t want to sit by her, and seemed concerned with one area of her body, even though she had gone through a cancer screening and come back negative. After weeks of this behavior, Maureen decided to have herself checked for cancer again. The initial test results came back negative, but after a biopsy, it was confirmed that she did indeed have cancer, and Max was the only one who knew it.
Ask any dog owner, and they’re sure to tell you that their pooch is a household hero in his own unique way! But we have a special spot in our hearts for the canines that make a career out of their heroism. Here are 10 incredible facts you probably didn’t know about dogs with noble day jobs: