A duo of researchers at Columbia University has identified two genes (TMEM106B and GRN) that greatly impact normal brain aging, starting at around age 65. This drawing shows several of the most important brain structures. Image credit: National Institute for Aging. “If you look at a group of seniors, some will look older than their peers and some will look younger. The same differences in aging can be seen in the frontal cortex, the brain region...
