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Anti-abortion activists held a rally opposing federal funding for Planned Parenthood in front of the U.S. Capitol on Tuesday. Olivier Douliery/Getty Images hide caption

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A meta-analysis found that people on vegetarian diets lost around 4.4 pounds more than the control group (who had no change in diet), while those who went vegan dropped 5.5 pounds more. Marcus Butt/Ikon Images/Corbis hide caption

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A Yale University study analyzed the experience of 60 million Americans covered by traditional Medicare between 1999 and 2013, and found "jaw-dropping improvements in almost every area," the lead author says. Ann Cutting/Getty Images hide caption

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The sporting options in Finland are everywhere. Here, two people take advantage of the ice on Lake Hiidenvesi to get some exercise. Sami Uskela/Flickr hide caption

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At sign-up events like this one in Los Angeles in 2013, Covered California pledged "affordability" in health insurance as one of its main selling points. Lucy Nicholson/Reuters/Landov hide caption

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