Explaining Our Human Body on Instagram: "These Everyday Things Are Deadly for Pets Some of the biggest dangers to pets are things we see every day. Grapes can cause sudden kidney failure in dogs. In summer, the ground outside can turn into a real lava floor—hot pavement can burn paws in seconds and cause lasting damage. Even tennis balls, which seem harmless, act like sandpaper on a dog’s teeth and slowly wear them down. Cats face hidden risks too, like whisker stress, which can lead to anxiety,