Health Could lithium explain — and treat — Alzheimer’s? In a mouse model of Alzheimer’s disease, lithium deficiency (right) dramatically increased amyloid beta deposits in the brain compared with mice that had normal physiological levels of lithium (left). Bottom row: The same was true for the Alzheimer’s neurofibrillary tangle protein tau.Yankner Lab Stephanie Dutchen HMS Communications August 6, 2025 9 min read Study offers new theory of disease and strategy for fighting it What i...