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.
This cycle of overeating can lead to a yo-yo effect. If you consistently overeat, you'll trigger changes in your stomach, the doctor says. The neurological tissue at the top of the stomach, which signals the brain that the stomach is full, starts to malfunction.