2. You might experience less frequent headaches.
A study of 102 men showed that drinking an extra 1.5 liters of water every day made the MSQOL (Migraine-Specific Quality of Life scale), which rates migraine symptoms, go up. 47 percent of the people who drank more water said their headaches got better, but only 25 percent of the people in the control group said their headaches got better.