Vasopressin has three main effects: 1  Increasing the water permeability of distal convoluted tubule and collecting duct cells in the kidney, thus allowing water reabsorption and excretion of more concentrated urine, i.e., antidiuresis.
It can be caused by damage to the vagus nerve, which regulates the digestive system. A damaged vagus nerve prevents the muscles in the stomach and intestine from functioning, preventing food from moving through the digestive system properly. Often, the cause of gastroparesis is unknown.
Stomach bloating is caused by several types of Food Intolerance - including Dairy Sensitivity and Fructose Malabsorption and Gluten intolerance. Stomach bloating causes are almost always foods - specifically those we cannot fully digest. A major cause of stomach bloating is Gluten intolerance.