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Revision as of 02:00, 22 January 2006 by 71.97.102.140 (talk)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)Shell shock is mental problem that is caused by the bursting of the shell near a soldier. This condition affected many military personnel during the 1920s following World War I. Symptoms include headaches, irritability and lack of concentration. Doctors say that the bursting shell creates a vacuum and when the air rushes into this vacuum it disturbs the cerebro-spinal fluid and this can upset the working of the brain.