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Investors are growing wary of a potential bubble in AI-linked tech stocks, triggering a sharp drop in the Dow and broader markets. The shift challenges long-term assumptions about growth and exposes the need for more informed risk assessment in portfolios.

New studies this year reveal promising advances in Alzheimer’s disease including accurate blood tests, lifestyle-based protection, immune system involvement and lithium’s role in experimental models. These developments suggest earlier and more accessible diagnostics and treatments may soon be viable.