What Causes Cluster Headaches?
Cluster headaches can be categorized as vascular headaches. This is a type of headache that occurs when the blood vessels dilate, which creates pressure on the trigeminal nerve. The underlying cause of this remains largely unknown.
Abnormal functioning of the hypothalamus has been implicated as a possible cause of cluster headaches. The hypothalamus is the area of the brain that controls the autonomic nervous system and regulates the biological clock. This theory explains why cluster headaches tend to be seasonal and occur at the same time each day. Neuro-imaging has also shown that there is increased activity in this part of the brain during a cluster headache.
Unlike migraine headaches, cluster headaches do not seem to be triggered by foods, hormonal changes or stress. They do however seem to be triggered by alcohol and cigarettes during active cycles and so they should be completely avoided during periods of attacks. Other possible triggers during active cycles may include certain medications, chocolate, heat, perfumes, and disruption of normal sleeping patterns.
Tags: Cluster Headaches, Cluster Headaches causes
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