Let's Simplify
The difficulty that the surgeon faces in locating the fishbone, even with the most modern scans and endoscopes, due to its transparency and slender size, cannot be overstressed. In my opinion, the proverbial searching for a needle in the haystack is easier in many cases.
One of the most common conditions presenting with this symptom is the gastroesophageal reflux disorder (G.E.R.D.), associated with the reflux of the acidic material in the stomach into the food pipe for various reasons.
A baby must breathe through the nose for the normal development of the face. It is easy to identify a child who breathes through the mouth by observing the face. The pinched nostrils, the open mouth with the protuberant teeth and the long face are all part of what is called the adenoid facies. All these symptoms are due to the defective development of the nose and the sinuses. These changes are quite difficult to correct later in life. Truly, prevention is easier and better than a cure.