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Attention, chocolate lovers: You may not be able to help yourselves. Swiss and British scientists have linked the widespread love of chocolate to a chemical "signature" that may be programmed into our metabolic systems.
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Cluster Headaches
- Overview, Causes, & Risk Factors
- Symptoms & Signs
- Diagnosis & Tests
- Prevention & Expectations
- Treatment & Monitoring
- Attribution
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Symptoms & Signs
What are the signs and symptoms of the condition?
Cluster headaches usually last less than 1 hour and rarely longer than 4 hours. The pain is usually sudden and severe. It may feel like a stabbing sensation on one side of the head. An individual may feel pain in one eye. The eye may swell and turn red.
Someone with a cluster headache usually moves around trying to find a position to ease the pain. Some people even rock back and forth seeking relief or distraction.
Following are some of the other symptoms of cluster headaches: