Lost Lithium: Could a Missing Micronutrient Help Prevent Alzheimer’s Disease?

Brain lithium levels drop 60 percent in people with Alzheimer’s–sometimes years before symptoms appear, a Harvard study finds.

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Before memory fades in Alzheimer’s disease, something else quietly vanishes: lithium.

A large, decades-long study shows that lithium, naturally obtained through diet, may be essential for brain health—with its deficiency potentially setting the stage for neurodegeneration.