Smoking May Cause Thinning of the Brain

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A recent study is showing various affects that smoking has on the brain:

"Many brain imaging studies have reported that tobacco smoking is associated with large-scale and wide-spread structural brain abnormalities.

The cerebral cortex is a specific area of the brain responsible for many important higher-order functions, including language, information processing, and memory. Reduced cortical thickness has been associated with normal aging, reduced intelligence, and impaired cognition. However, prior research had not described the impact of smoking upon cortical thickness.

A new study, published in the current issue of Biological Psychiatry, now reports concerning findings about the impact of smoking.

Researchers compared cortical thickness in volunteers, both smokers and never-smokers, who were without medical or psychiatric illnesses.

Smokers exhibited cortical thinning in the left medial orbitofrontal cortex. In addition, their cortical thickness measures negatively correlated with the amount of cigarettes smoked per day and the magnitude of lifetime exposure to tobacco smoke. In other words, heavier smoking was associated with more pronounced thinning of cortical tissue."

Read More: http://www.medilexicon.com/medicalnews.php?newsid=210104

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