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.
Common Causes of Swollen Stomach. Flatus. In this case, the abdominal distention is due to gas in the gastrointestinal tract. Gas from swallowing of air (aerophagia) â this gas contains mainly oxygen and nitrogen and is more likely to be found in the esophagus, stomach and first part of the small intestine.