However, excessive consumption of ice is frequently associated with iron deficiency. One hypothesis suggests that non-food items are consumed to correct deficiencies in iron, calcium, zinc or other micronutrients. However, this theory does not explain pagophagia, since ice contains almost no iron.

Is ice good for iron deficiency?

‌There are good reasons people with iron deficiency anemia want to chew on ice. Chewing on ice helps people with iron deficiency feel more alert and mentally sharp.

Is it bad to eat ice?

The inconsistent amount of ice can cause your teeth to have severe damages. It can lead to tooth sensitivity or even cracked enamel. If you chew ice, the sharpness of the broken ice can also cause harm and infections to your gums. Therefore, eating ice is not recommended for your general oral health.