What is a headache? A headache is defined as a pain arising from the head or upper neck of the body. The pain originates from the tissues and structures that surround the skull or the brain because the brain itself has no nerves that give rise to the sensation of pain (pain fibres). The thin layer of tissue (periosteum) that surrounds bones, muscles that encase the skull, sinuses, eyes, and ears, as well as thin tissues that cover the surface of the brain and spinal cord (meninges), arteries, veins, and nerves, all can become inflamed or irritated and cause headache. The pain may be a dull ache, sharp, throbbing, constant, intermittent, mild, or intense. 17 types of headaches The different types of headaches depend upon the class to which they belong. Some common types include: Primary tension headaches that are episodic Primary tension headaches that are chronic Primary muscle contraction headaches Primary migraine headaches with aura Primary migraine headaches ...
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