You already know the list and the reasons why you should drink more water – it helps flush toxins, carries important nutrients to the brain, etc. But it also turns out that holding lifeless water bottles can help prevent headaches for some people.

 But how much H20 should you consume? Experts recommend about 13 glasses a day for men and about nine for women. This is not far from the conventional wisdom that you should reduce eight 8 ml glasses per day.

 A recent study published in the Handbook of Clinical Neurology 1 showed that those suffering from migraines tend to be more susceptible to dehydration. Study participants who drank four extra glasses of water a day, on their regular intake, suffered 21 hours less pain during the study period.

more information on how drinking water can help you manage your headache.