1, gastrointestinal discomfort: skipping breakfast will lead to the inability to consume gastric acid and intestinal juice, which can cause gastrointestinal discomfort. Excessive gastric acid secretion for a long time may also cause gastritis, peptic ulcer and other diseases. Normal eating can trigger gastrocolonic reflex and promote defecation, and skipping breakfast can increase the risk of constipation;

2. Hypoglycemia: skipping breakfast leads to a decrease in blood sugar in the body, and at the same time, it can't supply consumption to the brain. Symptoms such as palpitation, shaking hands, dizziness, fatigue, lack of concentration, fatigue, and unresponsiveness may occur. Even if hypoglycemia is relieved in time, it will cause certain damage to brain cells, which is not conducive to good health;

3. Bile duct diseases: after being stored overnight, bile is in a large amount, so it needs to be discharged from the gallbladder with food intake and consumed. If you don't eat breakfast, it will cause cholestasis in the gallbladder, which will form gallstones for a long time. Long-term stimulation of stones can induce cholecystitis, and some nodules can fall off to the bile duct, causing obstruction. Bile duct diseases may have symptoms such as anorexia, greasy, right upper abdominal pain, jaundice and even fever.

4, obesity: because not eating breakfast can lead to a strong sense of hunger, abnormal love for high-fat, high-calorie foods, causing more eating at noon, long-term fat accumulation, leading to obesity.