Fasting 16 hours a day is not beneficial, may increase the chances of gastritis, gastric ulcer and other diseases, should be taken seriously. Fasting 16 hours a day is not beneficial to the organism, because the fasting state of gastric acid will be normal secretion, thus causing irritation or damage to the mucosa of the stomach, easy to cause epigastric pain, belching, acid reflux and other uncomfortable symptoms, and may even increase the risk of suffering from gastritis, gastric ulcers and other diseases, the organism caused by the adverse effects. If required by the disease, then you can fast for 16 hours under the guidance of a doctor, but you can’t fast for a long time without authorization due to weight loss and other needs. In daily life, you should develop good eating habits and eat regularly.