A hiatal hernia occurs when a small portion of the stomach pushes upward through the diaphragm, a sheetlike muscle that separates the lungs from the abdomen. Usually this doesn't cause any symptoms, ...

A hiatal hernia occurs when the upper part of the stomach moves into the chest cavity through the diaphragm. In a 2023 article, researchers said that older adults experience muscle weakness and ...

If you have a hiatal hernia, part of your upper stomach bulges into your diaphragm. Your diaphragm helps prevent stomach acid from entering your esophagus. In individuals with hiatal hernias ...