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There are many different types of headaches. Tension or muscle headaches are experienced as a dull band of pain on both sides of the head. They may be caused by poor posture, eyestrain, or emotional conflicts such as grief or depression. Tension headache is the most common type of headache and is typically treated with over-the-counter medications. A migraine headache tends to produce a throbbing pain, often quite severe, and is generally localized on one side of the head. Often accompanied by nausea, vomiting, and dizziness, migraines affect more than 23 million people in North America. Women are three times more likely than men to have an attack. Migraines are associated with increased blood flow in the arteries and veins which surround the brain. About one-third of migraine sufferers will report the presence of an “aura” between five and 30 minutes before the migraine begins. This aura may involve visual experiences such as wavy lines or flashing lights or visual or auditory hallucinations. The presence of an aura may indicate neurological problems, and you should seek medical attention.
A) men suffer more depression than women and thus have more tension headaches.
B) migraine headaches accompanied by an “aura” have the potential to be devastating.
C) migraine headaches can be cured by taking over-the-counter medications.
B) migraine headaches accompanied by an “aura” have the potential to be devastating.
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You tell a patient that she is going to need a blood transfusion after the surgery.
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¿Qué hora era cuando Ud. llamó a la policía?
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¿Muchas personas compran bolsas de cuero? Sí, _____________________________________________________________________.
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