AI doesn't cause dementia, but how you use it could weaken one of the brain's core defenses against it. That's the warning from Vivienne Ming, a theoretical neuroscientist, the chief scientist at the Possibility Institute, a metascience research group, and founder of Socos Labs, an AI and education firm. "Your chatbot is not giving you Alzheimer's," Ming told Business Insider. "My worry is the cumulative impact of chronic substitution: when you stop doing the cognitive work because something