Employers are gathering detailed health and wellness information about their workers. Are confidentiality safeguards up to the task? Andy Baker/Getty Images/Ikon Images hide caption

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Smokers More Likely To Quit If Their Own Cash Is On The Line
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Wellness At Work Often Comes With Strings Attached
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Helping employees take the time to go for a walk instead of reaching for junk food when energy flags boosts productivity, some firms find. Jamie Grill Photography/Tetra Images/Corbis hide caption

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Targeting Overweight Workers With Wellness Programs Can Backfire
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