Middle-age and older people living in more disadvantaged neighborhoods — areas with higher poverty levels and fewer educational and employment opportunities — had more brain shrinkage on brain scans and showed faster decline on cognitive tests than people living in neighborhoods with fewer disadvantages, according to a study published in the April 14, 2021, online issue of Neurology®, the medical journal of the American Academy of Neurology. Researchers say such brain aging may be a sign of the earliest stages of dementia.
“Worldwide, dementia is a major cause of illness and a devastating diagnosis,” said study author Amy J. H. Kind M.D., Ph.D., of the University of Wisconsin School of Medicine and Public Health in Madison. “There are currently no treatments to cure the disease, so identifying possible modifiable risk factors is important. Compelling evidence exists that the…