Tonsils are one of the most misunderstood structures in the throat, not only by patients, but by many doctors as well. Traditional teaching states that tonsils are glands in the throat that help to fight infection. Because they are blamed for most cases of repeated throat infections, tonsillectomy is one of the most commonly performed operations in the United States. According to some pediatricians, many tonsillectomies today are being performed unnecessarily. Simultaneously, there are too many tonsils still left in place when in fact they should be removed. Here’s the reason why.