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Alcohol is the root cause of all hangovers

If you have a hangover, it’s your body telling you that you’ve ingested more alcohol than it can metabolize efficiently. As a result, toxins build up and make you feel sick. Also, certain impurities created during the fermentation process of some alcoholic beverages can add to the severity of a hangover (especially low quality wines and many dark liquors).

Dehydration is both a cause and a symptom of hangovers. Alcohol is a diuretic, which means it increases urination. The more alcohol you drink, the more water your body loses. Your liver and kidneys need water to process the alcohol, so when you lose water, your body struggles to rid itself of toxins.
The best cure for a hangover is prevention. If you insist on imbibing, be more careful about your intake. Drink no more than one drink per hour. Remember that light-colored drinks will hurt you less. Drink water while you drink alcohol. Having food in your stomach is a good idea because it slows the absorption of alcohol by your body.

Many hangover cures are just old wives’ tales. Drinking more alcohol (known as the “hair of the dog”) won’t help. It simply postpones the inevitable. Caffeinated drinks like coffee are diuretics, so avoid them if you’re hung-over. Eating fruits and vegetables can help replenish the nutrients you’ve lost. recommends B vitamins. Many sources advise against taking acetaminophen (a.k.a. Tylenol) because it could damage your liver if mixed with alcohol. Ibuprofen painkillers are considered a better choice.

Other classic remedies include sports drinks like Gatorade and sugary food and drink. Tomatoes figure prominently in hangover cures, from Bloody Marys to V8 to Italian food. Some swear that exercise (even sex!) is a great way to get the blood pumping and move toxins out of the body. The amino-acid supplement cysteine may help your liver break down alcohol, too.

Medical research has shown that what you really need to get rid of a hangover is restful time for your body to heal. Plenty of water will help you feel better. Just remember to take it easy at the bar, and try to avoid problems next time.