Headache
A headache or cephalalgia is pain anywhere in the region of the head or neck. It can be a symptom of a number of different conditions of the head and neck. The brain tissue itself is not sensitive to pain because it lacks pain receptors. Rather, the pain is caused by disturbance of the pain-sensitive structures around the brain. Nine areas of the head and neck have these pain-sensitive structures, which are the cranium (the periosteum of the skull), muscles, nerves, arteries and veins, subcutaneous tissues, eyes, ears, sinuses and mucous membranes.
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Famous quotes containing the word headache:
“It is immoral to get drunk because the headache comes after the drinking, but if the headache came first and the drunkenness afterwards, it would be moral to get drunk.”
—Samuel Butler (1835–1902)
“And you might have been a headache but you never were a bore.”
—Leo Robin (1900–1984)
“Living in New York is like being at some terrible late-night party. You’re tired, you’ve had a headache since you arrived, but you can’t leave because then you’d miss the party.”
—Simon Hoggart (b. 1946)