Hiccups are an extremely common phenomenon, especially among newborns. Many parents think that when their baby hiccups, it means they are sick, without realizing that this is actually due to the underdevelopment of the child's nervous system. The diaphragm is a very thin muscle in the human body that not only separates the thoracic cavity from the abdominal cavity but also serves as the main respiratory muscle. When the diaphragm contracts, it expands the thoracic cavity, causing inhalation; when it relaxes, the thoracic cavity decreases in volume, resulting in exhalation. So, do you as a parent understand what causes hiccups in newborns? Do you know how to prevent them or have any effective remedies for treating them? Let’s explore this topic further!