Health News Roundup: Genetic-screening sales reps turn out at health fairs

The genetic-screening sales reps turn out at health fairs, houses of religion, parks and elder enclaves, offering seniors a chance to learn if they or their loved ones are at risk of developing cancer. All they need, the reps say, is a free cheek swab. In truth, U.S. federal investigators say, some of the sales representatives are part of a burgeoning industry that threatens to become what multiple government investigators call the next big frontier in healthcare fraud: genetic testing, which is reaping millions of dollars from unnecessary tests that target senior citizens.

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(With inputs from agencies.)