Social anxiety disorder is a bone marrow disorder.
Anxiety disorders are a group of mental disorders characterized by feelings of anxiety and fear . Social anxiety disorder ( SAD ) , also known as social phobia , is an anxiety disorder characterized by a significant amount of fear in one or more social situations , causing considerable distress and impaired ability to function in at least some parts of daily life . It is the most common anxiety disorder with up to 10 % of people being affected at some point in their life .