Detweiler was surprised to learn she wasn't eating enough to fuel her training regimen. As an athlete, doctors and nutritionists say, she needed more food variety and more calories — three snacks daily, as well as bigger meals. Courtesy of Nationwide Children's Hospital hide caption
University Medical Center New Orleans on Aug. 1, when the $1 billion facility welcomed its first patients. Brett Duke/The Times-Picayune/Landov hide caption
Dyha Gresham (front, left), her older sister Briceshanay (in back) and Briceshanay's daughter Uri stand in their New Orleans home with the family's cat Sugar-Pepper and dog Selena. After Katrina, Briceshanay says, she relied on theater and the arts to help her "move through terrible and difficult times." Edmund D. Fountain for NPR hide caption
The varicella zoster virus causes chickenpox in children, then lurks in the body for years and can cause painful shingles later in life. James Cavallini/Science Source hide caption
Solid information on the risks of medications during pregnancy is often hard to come by. iStockphoto hide caption
Ten-year-old Jake Herrera and his Los Angeles team run around the diamond as a warmup for baseball practice. Benjamin B. Morris for NPR hide caption
