Updated and revised second edition of the concise guide to reactive hypoglycemia. Reactive hypoglycemia, or postprandial hypoglycemia is a condition where the sugar-level in the blood becomes very low and drops below normal. The condition can be caused by a number of factors, including gastric surgery, genetics and unhealthful eating habits. This concise handbook gives you the information you need to know about your disease, including causes for the disease, tests for reactive hypoglycemia and a reference guide.