A risk factor is something that increases your likelihood of getting a disease or condition.
Very little is known about the risk factors for
narcolepsy
. Narcolepsy seems to run in some families; about 8%-30% of people with narcolepsy have another family member with the condition.
Narcolepsy. National Heart, Lung, and Blood Institute. National Institutes of Health
website. Available at:
http://www.nhlbi.nih.gov/health/dci/Diseases/nar/nar%5Fwhat.html
.
Updated November 2008. Accessed April 7, 2009.