A hernia occurs when an internal organ or tissue pushes through a weak spot in the surrounding muscle or connective tissue. This often happens in the abdomen, but hernias can also occur in other areas of the body. Common types include inguinal hernias, which occur in the groin, and hiatal hernias, which happen when part of the stomach pushes through the diaphragm. Hernias can cause discomfort and may lead to more serious complications if left untreated. Symptoms often include a noticeable bulge, pain, or discomfort, especially when lifting heavy objects or straining. Treatment typically involves surgery to repair the weakened area.