Cold Spring Harbor Laboratory Feb 5 2026 Alzheimer's disease is often measured in statistics: millions affected worldwide, cases rising sharply, costs climbing into the trillions. For families, the disease is experienced far more intimately. "It's a slow bereavement," says Cold Spring Harbor Laboratory Professor Nicholas Tonks, whose mother lived with Alzheimer's. "You lose the person piece by piece." There's a lot of discussion about how the neurodegenerative disorder may be caused by a