Editing Central nervous system (section)

===Diseases===
{{main article|Central nervous system disease}}
There are many CNS diseases and conditions, including [[List of central nervous system infections|infections]] such as [[encephalitis]] and [[poliomyelitis]], early-onset [[neurological disorders]] including [[ADHD]] and [[autism]], seizure disorders such as [[epilepsy]], headache disorders such as [[migraine]], late-onset [[Neurodegeneration|neurodegenerative diseases]] such as [[Alzheimer's disease]], [[Parkinson's disease]], and [[essential tremor]], [[Autoimmune disease|autoimmune]] and inflammatory diseases such as [[multiple sclerosis]] and [[acute disseminated encephalomyelitis]], genetic disorders such as [[Krabbe's disease]] and [[Huntington's disease]], as well as [[amyotrophic lateral sclerosis]] and [[adrenoleukodystrophy]]. Lastly, cancers of the central nervous system can cause severe illness and, when [[Malignant brain tumor|malignant]], can have very high mortality rates. Symptoms depend on the size, growth rate, location and malignancy of tumors and can include alterations in motor control, hearing loss, headaches and changes in cognitive ability and autonomic functioning.

[[Specialty (medicine)|Specialty]] professional organizations recommend that neurological imaging of the brain be done only to answer a specific clinical question and not as routine screening.<ref name="ACRASNRcomtom">{{cite web |author1=American College of Radiology |author2=American Society of Neuroradiology |year=2010 |title=ACR-ASNR practice guideline for the performance of computed tomography (CT) of the brain |publisher=[[American College of Radiology]] |work=[[Agency for Healthcare Research and Quality]] |location=Reston, VA, US |url=http://www.guidelines.gov/content.aspx?id=32518 |access-date=9 September 2012|url-status=dead |archive-url=https://web.archive.org/web/20120915211424/http://www.guidelines.gov/content.aspx?id=32518 |archive-date=15 September 2012 |df=dmy-all}}</ref>