The main hazards of not eating breakfast for a long time include malnutrition, obesity, hypoglycemia, gallbladder stones and so on. 1. Malnutrition: Long-term skipping of breakfast leads to a long time in a state of hunger, resulting in insufficient nutritional intake, lack of body energy, malnutrition and other symptoms to weakness, dizziness, sweating, panic and so on as the main manifestation. 2. Obesity: As the morning does not eat breakfast, lunch will appear revenge eating, overeating, eating greatly increased, not conducive to good health, easy to lead to weight gain, obesity. 3. hypoglycemia: breakfast in the whole day diet is crucial, long-term not eat breakfast, sugar intake is not sufficient, easy to appear hypoglycemia, fatigue, panic, lack of concentration and other symptoms, affecting learning, work, life. 4, gallbladder stones: people in the morning fasting, the body of bile in the cholesterol saturation is high, after eating the gallbladder contraction, help the gallbladder in the excretion of bile. If you do not eat breakfast for a long time, the bile secreted by the gallbladder can not be discharged in a timely manner, resulting in the accumulation of bile, the long-term development of gallbladder stones. There are many hazards of not eating breakfast for a long time, it is recommended to develop good eating habits, regular diet, ensure energy intake, pay attention to the body, so as not to cause discomfort.