Just like the other conditions listed, headaches and migraines can be triggered by dehydration. Consuming plenty of water can even provide relief if you already have a headache. According to a study that was published by the European Journal of Neurology, drinking more water can help reduce the intensity and length of headaches. When you become slightly dehydrated, your brain shrinks slightly - it's a fatty organ that needs a lot of water to function. This, in turn, can lead to a headache. Instead of popping an aspirin, try drinking a large glass of water and resting your eyes. You might find this remedy helps more than over the counter medication.
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