Shoppers check out vodka in a street kiosk in Moscow in 2008. Alexander Nemenov/Getty Images hide caption

itoggle caption Alexander Nemenov/Getty Images

The Institute of Medicine is reviewing how chronic fatigue syndrome is diagnosed and whether that label puts too much emphasis on fatigue over other significant symptoms. Daniel Horowitz for NPR hide caption

itoggle caption Daniel Horowitz for NPR

Love your hair. Artists' depictions of a Neanderthal man and woman at the Neanderthal Museum in Mettmann, Germany. Martin Meissner/AP hide caption

itoggle caption Martin Meissner/AP

People practice yoga at a fundraiser for a breast cancer foundation in Hong Kong. Ed Jones/Getty Images hide caption

itoggle caption Ed Jones/Getty Images

Eighty percent of college students drink, and schools have had little success reducing those numbers, or the problems caused by excessive alcohol. Toby Talbot/AP hide caption

itoggle caption Toby Talbot/AP

Clinical specialist Catey Funaiock took notes while observing a 5-year-old boy at the Marcus Autism Center, part of Children's Healthcare of Atlanta, in September. David Goldman/AP hide caption

itoggle caption David Goldman/AP

We know it's not really about Mr. Stork. But we might not be up to speed on key aspects of conception. Jens Bonnke/ImageZoo/Corbis hide caption

itoggle caption Jens Bonnke/ImageZoo/Corbis

Amanda Gerety, a staff nurse at Boston Medical Center, checks monitors that track patients' vital signs. Fewer beeps means crisis warnings are easier to hear, she says. Richard Knox/NPR hide caption

itoggle caption Richard Knox/NPR

Alice Snyder, with her parents Mary and Ryan, during a checkup with Dr. John Herzenberg, who treated her clubfoot without surgery. Jenny Gold/Kaiser Health News hide caption

itoggle caption Jenny Gold/Kaiser Health News

A snippet of the data ProPublica obtained from the federal government about Medicare Part D, the prescription drug benefit for seniors. ProPublica hide caption

itoggle caption ProPublica

Researchers say that setting your thermostat a little lower can help you burn more calories. iStockphoto hide caption

itoggle caption iStockphoto

Dr. Scott Gottlieb and Megan McArdle face off against Jonathan Chait and Dr. Douglas Kamerow over the Affordable Care Act in a debate moderated by John Donvan in January. Samuel LaHoz/Intelligence Squared US hide caption

itoggle caption Samuel LaHoz/Intelligence Squared US