Research shows that narcolepsy is seen by both men and women, belonging to different age categories. About 0.5% of population gets affected by Narcolepsy. Researchers have identified the gene responsible for causing narcolepsy and also the small portion of the brain that controls sleepiness.
About 3 million people from all over the world are estimated to be suffering from narcolepsy. In the US, more two hundred thousand people are affected by Narcolepsy of which as low as 50,000 are diagnosed only.
Out of as manyas 200,000 American sufferers, in fact fewer than 50,000 are diagnosed. Narcolepsy is as common as Parkinson’s disease or multiple sclerosis (MS) and more widespread than cystic fibrosis, although not as well known. Narcolepsy is difficult to diagnose and is often mistaken for depression, epilepsy, or the side effects of medications.
Statistics on Narcolepsy and Worldwide OccurrenceNarcolepsy rates vary among populations but the condition appears in every racial and ethnic group worldwide. Its occurrence rate in Israel is substantially lower than in the US. There is one case for every 500, 000 people living in Israel whereas in Japan this is as high as one for every 600 people.
Statistics on Narcolepsy and Who It Affects.Narcolepsy can affect both men and women at any age, althoughsymptoms often begin in the teenage years or in the 20s. However many people with narcolepsy notice the onset between the ages of 35 and 45. Others, a smaller number develop narcolepsy from50 to 55.There are also cases of child narcolepsy and even 3 year olds have been diagnosed with the condition.
Statistics on Narcolepsy Symptoms.Only about 20 to 25 percent of people with narcolepsy experience all four symptoms. People with narcolepsy usually find that their symptoms tend to worsen over the two to three decades after onset. Patients over 60 sometimes find that some daytime symptoms become less severe.