Read the latest medical research on dementia. Causes, symptoms, lowering the risks, care, medications and new treatments for dementia.

Time Course of Alzheimer's Disease Damage from the disease begins to accrue years or decades before any symptoms begin. A given individual presenting at age 70 might be expected to spend a decade ...

Information on Parkinson's disease. Learn about Parkinson's disease treatments, symptoms, new research and medication.

Alzheimer's disease is a progressive neurodegenerative disease that impairs memory and cognitive judgment and is often accompanied by mood swings, disorientation and eventually delirium.

The CHMP has advised against EU approval of Eli Lilly's Alzheimer's drug Kisunla, potentially handing an advantage to Eisai/Biogen's rival drug.

The EU has approved Eisai and Biogen's Leqembi for a subset of patients with early-stage Alzheimer's disease, more than two years after it was filed.