Scientists successfully reverse Alzheimer's in mice by removing 'zombie cells'

fuel the disease - but they can't work out how to do it in humans
It's not clear how 'zombie cells' originate but they are affect strokes, arthritis and heart attacks
Mayo Clinic scientists reversed Alzheimer's by editing them out of mice
But they can't do that in humans, and more research is needed to work out how to use this information to benefit humans