Full body scans miss the mark when it comes to improving U.S. disease prevention

The websites are tantalizing: “You can catch conditions before they become crises,” reads one. Another promises to make cancer “easier to beat” and claims it can detect “over 500 other conditions in up to 13 organs.” Full-body scans are attracting celebrity promoters, tech mogul investors and long waiting lists of people hoping to identify life-threatening conditions, usually more treatable in early stages.