Are cheeseburgers bad for dogs, and if so, why?

Yes, cheeseburgers can be bad for dogs because they are high in fat and can lead to obesity, pancreatitis, and other health issues in dogs. Additionally, cheeseburgers often contain ingredients like onions and garlic, which are toxic to dogs and can cause serious health problems. It is best to avoid feeding cheeseburgers to dogs and stick to a balanced diet recommended by a veterinarian.