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.
Important but uncommon causes of abdominal bloating include. 1  large intra-abdominal tumors, such as those arising from cancers of the ovarian, liver, uterus and stomach. 2  megacolon, an abnormal dilation of the colon caused by some diseases, such as Chagas disease, a parasitic infection.