It depends on how much you eat. All food is neither good nor bad. Glutinous rice is rich in B vitamins, which can warm the spleen and stomach and tonify the middle qi. Can relieve spleen and stomach deficiency and cold, loss of appetite, abdominal distension and diarrhea. Glutinous rice has astringent effect and has a good therapeutic effect on frequent urination and spontaneous sweating. These are the advantages of glutinous rice, but the disadvantage is that it is too sticky and not conducive to digestion. Glutinous rice should be eaten after heating, and it is not advisable to eat too much at one time. Use with caution for the elderly, children or patients. (Reference/Question /77 1 16936.html)
12 years old is young and has strong digestive function, so there should be no big problem. But on the one hand, eating glutinous rice all the time does not meet the requirements of dietary diversification. If you eat it with foods that are also not conducive to digestion, it is estimated that it will easily cause digestive problems in the long run. So from a health point of view, don't eat all the time, even if you only eat a small amount.