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Removing 'Zombie' Cells Deters Alzheimer's in Mice

Eliminating dead-but-toxic cells occurring naturally in the brains of mice designed to mimic Alzheimer's slowed neuron damage and memory loss associated with the disease, according to a study published Wednesday that could open a new front in the fight against dementia. The accumulation in the body of "zombie cells" that can no longer divide but still cause harm to other healthy cells, a process called senescence, is common to all mammals. Scientists have long known that...

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