Risk Factors for Cluster headache

About risk factors: Risk factors for Cluster headache are factors that do not seem to be a direct cause of the disease, but seem to be associated in some way. Having a risk factor for Cluster headache makes the chances of getting a condition higher but does not always lead to Cluster headache. Also, the absence of any risk factors or having a protective factor does not necessarily guard you against getting Cluster headache. For general information and a list of risk factors, see the risk center.

Risk factor list: The list of risk factors mentioned for Cluster headache in various sources includes:

Risk factors discussion: Studies of cluster patients show that they are likely to have hazel eyes and that they tend to be heavy smokers and drinkers. Paradoxically, both nicotine, which constricts arteries, and alcohol, which dilates them, trigger cluster headaches. The exact connection between these substances and cluster attacks is not known.¹

Footnotes:
1. excerpt from Headache - Hope Through Research: NINDS

Last revision: October 23, 2003

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