If you only drink small amounts of cool water occasionally, there is generally no significant harm, but if you often drink too much cool water, it may cause harm to the body, such as irritating the gastrointestinal tract, and may induce women’s menstrual cramps.
Cold water is relatively cold and irritating, but if you only occasionally drink a small amount of some, generally have little effect on the body.
But if it is often excessive drinking cold water, it is easy to cause stimulation of the gastrointestinal tract, making the gastrointestinal tract peristalsis accelerated, may lead to gastrointestinal cramps, abdominal pain, diarrhea symptoms.
If women often drink cold water during menstruation, it is easy to induce and aggravate dysmenorrhea and so on.
For the sake of health considerations, it is recommended to drink as little cold water as possible during the day and choose to drink warm water.