Microwave ovens have become one of the most-used appliances in American kitchens, offering a fast and convenient way to reheat leftovers, cook meals and prepare snacks. But experts say convenience can quickly turn into danger if the wrong items are placed inside the appliance, microwaveshub.com said . From fire hazards to toxic fumes and exploding food, some common household items should never be microwaved because they can damage the appliance or pose serious safety risks. ...read more read less