Brain Ageing linked to Obesity

The brains of overweight people age faster than those wid normal eright,thus putting them at a greater risk of developing dementia and alzheimer's disease.US Researchers looke at MRI scans of 50 healthy adults 2 measure amounts of chemicals in brain.Those wid higher BMI had lower concentration of N-acetyl-aspartate and choline containing metabolities-markers of overall brain health-compared wid normal weight individuals.