Scientists say it may be possible to protect aging brains from Alzheimer’s with an old remedy — lithium CTV NewsLithium deficiency and the onset of Alzheimer’s disease NatureResearch on reversing Alzheimer’s reveals lithium as potential key The Washington PostCould Lithium Explain — and Treat — Alzheimer’s Disease? Harvard Medical SchoolLow dose of lithium reverses Alzheimer’s symptoms in mice New Scientist