1, prone to digestive tract diseases: skipping breakfast affects gastric acid secretion and bile excretion, which will weaken the function of digestive system and induce digestive system diseases such as gastritis, gastric ulcer and gallstones.

2, increase the risk of chronic diseases: start a day's work without breakfast. In order to gain motivation, an empty stomach will use thyroid gland, parathyroid gland, pituitary gland and other glands to burn tissues, which will not only cause hyperthyroidism, but also make the constitution sour and increase the chance of suffering from chronic diseases.

3, decreased resistance: malnutrition caused by not eating breakfast will lead to decreased body resistance and increase the incidence of colds, cardiovascular diseases and other diseases.

4. Accelerating aging: skipping breakfast means using glycogen and protein stored in the body, which will lead to dry skin, wrinkles and anemia in the long run, thus accelerating aging.

5, easy to get fat: Japanese sumo wrestlers are the best example. The fasting state caused by high-intensity training without breakfast will reduce the sugar in the blood, and hypoglycemia will promote the secretion of growth hormone; Eating a lot after training will make the secretion of growth hormone more vigorous and tissue fat increase continuously. If you continue this lifestyle, fat will continue to accumulate.

6, affecting learning and working ability: brain operation needs to call glucose in the blood, that is, blood sugar, which is also the only energy reserve that the brain can use. If you don't eat breakfast or the nutrition of breakfast is insufficient, the blood sugar level will be relatively reduced, and you can't deliver enough energy substances for the normal work of the nervous system in time.

7, easy to cause constipation: if you don't eat breakfast often, the role of gastrocolon reflex will gradually weaken, and finally cause defecation.