It has been observed that blood flow in the brains of people with the disorder is impaired when compared to healthy brains. (sciencedaily.com)
If particular genetic variations are significantly more frequent in people with a disorder compared to unaffected people, the variations are said to be «associated» with the disorder. (sciencedaily.com)
Most people with the disorder start noticing this anxiety when they're between the ages of 8 and 15. (childmind.org)