SHRINKING BRAINS

Veterans of the first Gulf War who returned with multiple health symptom complaints show significant differences in brain structures from their fellow returnees without high numbers of health symptoms, according to research that will be presented at the American Academy of Neurology’s 59th Annual Meeting in Boston, April 28 – May 5, 2007.

The study involved 36 veterans of the first Gulf War (1990-1991). Half of the veterans had a high number (more than five) of symptoms, such as joint pain, fatigue, forgetfulness, headaches, skin rash, nausea, and difficulty concentrating. The other half of the veterans had a lower number (five or fewer) of symptoms.

Researchers found that two areas of the brain involved in thinking and memory were significantly smaller in the veterans with a high number of symptoms than in the veterans with fewer symptoms. The overall cortex was five percent smaller in those with more symptoms, and the rostral anterior cingulated gyrus was six percent smaller.