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There are 150 diagnostic headache categories, but the most common are tension headaches, migraines, mixed headache syndrome, cluster headaches and sinus headaches, states WebMD. Headaches can be hereditary, with migraine... More »

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Headaches are the most common symptoms of brain tumors, but getting a headache more commonly indicates a condition other than a brain tumor, according to Everyday Health and WebMD. Other symptoms of brain tumors include ... More »

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Ischemic stroke, hemorrhagic stroke and transient ischemic attack are the primary types of strokes, according to the Centers for Disease Control and Prevention. Ischemic stroke occurs when the artery supplying the brain ... More »

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Possible causes of sharp head pains are migraines or tension, cluster and sinus headaches. Some causes of headaches include unexplained nerve activity, colds, infections or fevers, according to WebMD. More »

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Pulsating headaches are associated with migraines, cluster headaches and tension headaches, explains the Miami Headache Institute. The most common causes of these headaches are depression, anxiety, head injury, lack of s... More »

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According to WebMD, treating sinus headaches generally involves treating the pain associated with the headache and its underlying cause. Over-the-counter pain relievers such as ibuprofen, acetaminophen or naproxen can he... More »

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The major categories of outlines are formal, informal and cluster outlines. The purpose of an outline is to help organize thoughts for a longer written or spoken work. More »

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