The stress of Gulf War syndrome

Comment on

• Acute stress facilitates long-lasting changes in cholinergic gene expression. [Nature. 1998]
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• Warfare leaves residues — charred remnants of what were villages, carpet-bombed moonscapes of what were rainforests, and cemeteries filled with what were 20-year-olds. These residues can include disease, such as shell shock, combat fatigue and post-traumatic stress disorder.