Hypoglycemia is a condition that occurs during the day due to drops in blood sugar and creates a need to eat and snack on sugar, chocolate or sweet foods. High glycemic index, that is, rapidly elevating blood sugar carbohydrates are eaten, first sugar in the blood and then the hormone insulin quickly rises. Increased insulin in the blood, 2 hours after the blood sugar to lower the normal, with an excessive eating desire, tremors, sweating, stomach scraping symptoms such as gives this condition is called reactive hypoglycemia. When a person eats sweet foods, blood sugar rises again; however, due to rising insulin levels, blood sugar drops again after 2 hours. This condition continues in the form of a vicious cycle and the person quickly begins to gain weight.