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How to cure a hangover fast
Stay hydrated.
Get the water flowing as soon as you wake up. This may help push toxins leftover from excess alcohol out of your system, but the main goal of hydration after a night of drinking is to save you from getting dehydrated.
While experts don't know for sure what causes hangovers, most people agree it has a lot to do with not having enough fluids in your body. Doctors recommend that you drink eight 8 oz glasses of water a day.