Picture this: you’re grilling up some kebabs out back when a piece of grilled onion falls to the ground. Do you let Rover eat it? According to WebMD , you shouldn’t. Onions and garlic in all forms can destroy your pet’s red blood cells, leading to anemia. Symptoms include weakness, vomiting, little interest in food, dullness, and breathlessness. Cats are especially susceptible to the dangers posed by onions...