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Ferguson police start wearing cameras

FERGUSON, Mo.— Police officers here began wearing body cameras over the weekend as marchers took to the streets in the most recent protest of a shooting three weeks earlier by a city officer that left an unarmed teenager dead.

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Researchers grapple for Alzheimer’s cure as it threatens to overwhelm health care system

SACRAMENTO, Calif. — Gasps were audible as the images flashed before a gathering of scientists at a recent UC Davis Alzheimer’s Disease Center pathology conference. On the screen before them were photos of a brain severely wasted with age, with what looked like silver rivers of atrophy cutting deeply through the tissue. Even for the experts, it can be shocking to see the damage that Alzheimer’s disease inflicts on the aging brain.