2024-03-01 11:42:28
This article is taken from the monthly magazine Sciences et Avenir – La Recherche n°925, dated March 2024.
Daily smoking is linked to a reduction in brain volume, conclude American researchers following comparing brain images of more than 30,000 people. Their work was published in the journal Biological Psychiatry: Global Open Science.
An effect proportional to the quantity of cigarettes smoked throughout one’s life
This effect, proportional to the quantity of cigarettes smoked during life, is more marked in the frontal cortex, the hippocampus, the thalamus and the amygdala. It is independent of genetic markers of smoking risk and might contribute to the increased risk of Alzheimer’s disease observed in smokers.
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