article_snippet.sent: Neurofibromatosis type 1 (NF-1) is one of the most common inherited neurological disorders affecting around one in every 3,000 people.
article_snippet.sent: NF-1 ranges from mild to severe and can cause more symptoms in some people than in others.
article_snippet.sent: The condition primarily affects the skin, the nervous system and the eyes, and most people with NF-1 have recognizable signs before the age of 10.
article_snippet.sent: Regardless if the NF-1 gene change was inherited from a parent or is newly affected, every person who has an NF-1 gene change has a 50 per cent chance of passing it on every time they have a child.
article_snippet.sent: Genetic testing for the NF-1 gene is available and can be coordinated for families in which testing would be appropriate.