Babies under 6 months, most of the diet is breast milk or milk powder, do not need to drink extra water. Of course, don't give him cold drinks. Considering that babies under 1 year-old are still gradually building up the ability to digest and absorb milk, it is usually recommended to wait until the baby can drink whole milk before trying to eat ice cream.

2. Asthma patients

Due to the increased airway reactivity of asthma patients, when cold drinks pass through the esophagus, the temperature of the trachea may drop sharply, leading to bronchial contraction, thus inducing asthma.

3. People who feel uncomfortable after eating

I'm not feeling well, so why bother? Especially in the following cases:

Ice cream headache: This is really a disease. The low temperature in the mouth stimulates the vasoconstriction of the upper teeth, and then the head feels pain, usually a headache;

Dentin hypersensitivity: Due to various oral problems, the roots of sensitive teeth are exposed. Whether eating cold or hot food, they may feel particularly painful. Such people need to go to the stomatology department as soon as possible;

Usually drink milk to have loose bowels (lactose intolerant): because most cold drinks contain milk, although the amount is small, it is better to be cautious;

Some patients with irritable bowel syndrome: irritable bowel symptoms are diverse, and some have diarrhea as soon as they eat cold food;

Some menstrual cycle sisters: cold drinks are not taboo during menstruation, but if you feel uncomfortable after eating them, don't eat them next time.