From Science Daily: Anyone who has spent a sleepless night anguishing over a possible job loss has experienced the central finding of a new brain scan study: Uncertainty makes a bad event feel even worse. A new study by UW-Madison brain researcher Jack Nitschke shows that the emotional centers in the brain respond much more strongly to disturbing photos if the person didn't know what was coming. · Go to Future angst? Brain scans show uncertainty fuels anxiety →