Anyone who does not eat breakfast is harmful, girls do not eat breakfast is easy to form gallbladder stones, aggravate peptic ulcer, cause constipation, low blood sugar, concentration and other hazards. 1. gallbladder stones: bile after the secretion of the whole night, in the morning is in the state of filling, if you do not eat breakfast, bile can not be discharged, it is easy to form gallstones. 2. Peptic ulcer: If you don’t eat breakfast for a long time, your stomach acid will be relatively high, which will easily aggravate your peptic ulcer. 3. Constipation: skipping breakfast will slow down gastrointestinal peristalsis, resulting in constipation. 4. Hypoglycemia: If you don’t eat breakfast, when the glucose in your body is fully utilized, hypoglycemia will easily occur. 5. Inattention: If you don’t eat breakfast, you won’t be able to satisfy your body’s energy needs, which can easily lead to inattention. In summary, everyone needs a nutritious breakfast with about thirty percent of the calories of the whole day.