Lithium deficiency and the onset of Alzheimer’s disease https://www.nature.com/articles/s41586-025-09335-x Why do some people with Alzheimer's-like changes in the brain never go on to develop dementia? Now, researchers at HMS may have found an answer: Lithium deficiency in the brain could be a cause of Alzheimer's disease https://medicalxpress.com/news/2025-08-lithium-loss-ignites-alzheimer-compound.html