Researchers believe the association between navigation-heavy work and lower Alzheimer’s risk centers on the hippocampus, a part of the brain that governs memory and spatial navigation. It’s one of the first brain regions that Alzheimer’s damages: Problems with spatial navigation and orientation are among the earliest signs of the disease, sometimes surfacing before obvious memory loss.
Just like how all the dementia deaths in the UK are because they’re so much better at dealing with heart problems than everyone else and has absolutely nothing to do with latent mad cow infections.