There is no question that the moon, or rather its gravity, is the major cause of oceans tides on Earth. The sunâs gravity raises tides, too, by the way, but its effect is smaller. Some folks use the indisputable fact of the moonâs effect on the tides to argue that the moon raises tides in the human body.
Some of the less common causes of Protruding abdomen may include: 1  Constipation. 2  Chronic constipation. 3  Poor muscle tone.  Poor muscle tone after 1  childbirth. Lactose intolerance.  Food 1  allergies. Food intolerances. 2  Pregnancy. 3  Hernia. Malabsorption.  Irritable bowel 1  syndrome. Colonic bacterial fermentation. 2  Gastroparesis. Diabetic gastroparesis.
GERD is a chronic disease where the stomach acid or bile reflux irritates the esophageal lining. The damage can cause inflammation which results to pain above belly button, nausea, heartburn, and vomiting.