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everyone has experienced headaches, but only recently have medical researchers begun to learn more speciafically about the causes and possible treatments for different types of headache pain.
Themost common type of heache is the simple tension headache. Tension headaches are usually mild and short-lasting and can result from various factors, such as stress caused by worry or noise. Tensionheadaches are caused by a tightening of the neck or back muscles, wich slows the flow of blood and, there for, oxigen to the brain. it is the lack of oxygen that causes the pain. Most headaches can berelieved b taking a mild analgesic such as aspirin. Anagesics expand the blood vessels and resyore the normal flow of bloo and oxygen to the brain.
A more serious type of headache is the migraine.Migraine headaches are often extremely painful and can lastfor hours or days. Like tension headaches, they can be the result of different factors, including stress, hormonal changes, and allergies.Unlike tension hadaches, however, they are cased by an abnormal expansion or swelling rather than a contraction, of the blood vessels within thehead.Medicines that shrink swollen blood vessels can be usedto trear migraine headaches.
A tiny minority of headaches can be linked to severe pysical problems such as head injury or brain tumors. For These types of headaches, there are medicines to treat thesymptoms, but there is no cure unless the underlying problem is removed.

todo el mundo ha experimentado dolores de cabeza, pero sólo recientemente los investigadores han comenzado a médicosaprender más específicamente el de las causas y posibles tratamientos para diferentes tipos de dolor de cabeza.
El tipo más común de heache es la cefalea tensional simple. Las cefaleas tensionales songeneralmente leves y de corta duración y puede deberse a diversos factores, tales como el estrés causado por la preocupación o el ruido. Las cefaleas tensionales son causados ​​por un endurecimiento del...