There’s actual research behind this. A study in the Journal of Clinical Gastroenterology found that cold fluids can reduce the intensity of nausea in some patients. The theory is that cold water stimulates the vagus nerve—the same nerve that calms you down after a scare. It’s like pressing a “chill out” button for your whole body.
Also, the act of sipping is a grounding ritual. It forces you to slow down, breathe, and focus. Nausea loves to spiral into panic, but a slow sip of ice water can be your anchor. It’s cheap, it’s easy, and it’s literally in your fridge.
What Are The Side Effects Of Drinking Ice Water at Sharon Roach blog