Stay hydrated
Something a lot of don’t realize is that dehydration is one of the most common causes of headaches. Many people don’t feel thirst even when their bodies are dehydrated and have troubles maintaining good daily hydration habits.
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50 to 70 ounces of water a day (1.5-2 liters) is a must for most adults, plus an additional ~10 ounces (~0.25 liters) for every cup of coffee or alcohol you drink during the day.
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