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Researchers found that people with anxiety disorders consistently show lower choline levels in key brain regions that regulate thinking and emotions. This biochemical difference may help explain why ...

An icy Roanoke River is shown from the greenway after the weekend winter storm. PHOTO BY SINCLAIR HOLIAN FOR THE ROANOKE ...

As a result, the Sino-Pakistani partnership increasingly resembles a stress-laden security dependency, raising concerns in Beijing that Pakistan may be less a reliable ally than a conduit of risk, ...