Does excess body weight somehow reduce regions in the brain that regulate planning and impulse control, and is obesity a result of that brain difference?
New results from the largest long-term study of brain development and children’s health are raising provocative questions about a link between obesity and brain function.
All of the children had MRI brain scans and took computer-based tests to assess mental functions such as memory, language, reasoning and impulse control.The MRIs of the heaviest children revealed slightly less volume in the brain region behind the forehead that controls what are known as “executive function” tasks. They include things like ability to plan, control impulses and handle multiple tasks simultaneously., a neuroscientist at the University of Vermont.
Research in adults has linked obesity with low-level inflammation throughout the body, which can damage blood vessels and may increase risks for heart disease and mental decline. Some studies have also found less brain volume in obese adults, and researchers theorize that it could be due to inflammation.
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