The researchers were inspired by working with ultramarathoners, who can be sidelined by blisters despite years of training. These runners competed in the 2007 Badwater Ultramarathon in Death Valley, Calif. Chris Carlson/AP hide caption

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We know eating more produce is good for your heart. Now computer models suggest slashing the price by about a third could result in dramatically lower death rates from heart disease and stroke. iStockphoto hide caption

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Sylvester Williams, a Denver Broncos nose guard, nabs Isaiah Crowell of the Cleveland Browns last October. If measured by BMI, Williams is obese. AAron Ontiveroz/Denver Post via Getty Images hide caption

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If BMI Is The Test Of Health, Many Pro Athletes Would Flunk
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Ben Lecomte has swum across the Atlantic Ocean, and now he aims to traverse the Pacific, which will take him five or six months. Bongani Mlambo/The Longest Swim hide caption

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Can Extreme Exercise Hurt Your Heart? Swim The Pacific To Find Out
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Ray Spaulding cooks apples in front of a class on cooking healthful desserts at the Portland VA withJessica Mooney, right, a clinical dietitian. About 80 percent of veterans are overweight and obese and another quarter have diabetes, according to the Department of Veterans Affairs. Conrad Wilson/OPB hide caption

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In Portland, A Boot Camp To Help Veterans Cook Healthier Food
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More than three hours a day could mean brain fade by middle age. Raoul Minsart/Masterfile/Corbis hide caption

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Too Much TV And Chill Could Reduce Brain Power Over Time
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The number of people being diagnosed with diabetes has been on the decline since 2009. iStockphoto hide caption

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Fewer People Are Getting Diabetes, But The Epidemic Isn't Over
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Four pregnant women sit in lotus position. Thomas Northcut/Getty Images hide caption

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Say Yes To Down Dog: More Yoga Poses Are Safe During Pregnancy
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Jorje Mendez has lost more than 45 pounds through weightlifting and other lifestyle changes. Trainer Johnny Gonzales, right, helps prediabetic patients at the gym he set up at the Lake County Tribal Health Clinic in California. Farida Jhabvala Romero/KQED hide caption

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