Which would you choose — a daily tablet or a trip to the doctor for an allergy shot? Eddie Lawrence/Dorling Kindersley/Getty Images hide caption

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One Silicon Valley startup that encouraged its employees to think about work 24/7 found they missed market signals, tanked deals and became too irritable to build crucial working relationships. Hill Street Studios/Blend Images/Getty Images hide caption

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Many Grouchy, Error-Prone Workers Just Need More Sleep
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The unique medical program at the University of California, Berkeley is housed in its School of Public Health. Justin Sullivan/Getty Images hide caption

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Pastoral Medicine Credentials Raise Questions In Texas
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Members of Congress complained to the administration that hospitals needed more time to check the accuracy of quality ratings. Win McNamee/Getty Images hide caption

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Life Expectancy Drops For White Women, Increases For Black Men
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It's not just kombucha and yogurt: Probiotics are now showing up in dozens of packaged foods. But what exactly do these designer foods with friendly flora actually offer — besides a high price tag? Saul Loeb/AFP/Getty Images hide caption

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When deductibles and copays are high, quite a few people with insurance turn to free clinics for care. Jens Magnusson/Ikon Images/Getty Images hide caption

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If UnitedHealth Group. based in Minnetonka, Minn., pulls back from the Obamacare exchanges, premiums nationwide would go up around 1 percent, a Kaiser Family Foundation reports finds. Mike Bradley/Bloomberg via Getty Images hide caption

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When Erika Stallings was 22, she found out that she might have a genetic mutation that greatly increased her risk of cancer. Misha Friedman for NPR hide caption

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More People Seek Genetic Testing, But There Aren't Enough Counselors
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There's a growing body of evidence challenging the notion that low-fat dairy is best. Simon Dawson/Bloomberg via Getty Images hide caption

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The Full-Fat Paradox: Dairy Fat Linked To Lower Diabetes Risk
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A Pakistani health worker gives a polio vaccine to students in Peshawar, Pakistan, in March. Polio remains endemic in Pakistan after the Taliban banned vaccinations, attacks targeted medical staffers and suspicions lingered about the inoculations. Mohammad Sajjad/AP hide caption

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(Top left to right) Cladosporium werneckii, Aspergillus fumigates and Aspergillus fumigateurs. (Bottom left to right) Sepedonium, Aspergillus niger and Fusarium. Centers for Disease Control and Prevention hide caption

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Talking about end-of-life care may be difficult, but the stakes make the conversations worth the effort. Sam Edwards/Getty Images/Caiaimage hide caption

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After eggs of the whipworm are swallowed, they hatch in the small intestine. Though troublesome for most, they might help some people feel better. Lester V. Bergman/Corbis hide caption

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