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

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

Alexia is a condition often associated with the occipital lobe — the part of the brain that receives visual information. iStockphoto hide caption

itoggle caption iStockphoto

A barista makes coffee using the pour-over method at Artifact Coffee in Baltimore. Benjamin Morris/NPR hide caption

itoggle caption Benjamin Morris/NPR

Study participants were trained in practical reasoning skills like managing medications. Jorge Salcedo/iStockphoto hide caption

itoggle caption Jorge Salcedo/iStockphoto

Erick Munoz stands by a photo of his wife, Marlise Munoz, at home in Fort Worth, Texas, on Jan. 3. She is being kept on life support in a local hospital against the family's wishes. Fort Worth Star-Telegram/MCT via Getty Images hide caption

itoggle caption Fort Worth Star-Telegram/MCT via Getty Images

Looks good. But maybe this time I'll stop at one. Kjersti Magnussen /Flickr hide caption

itoggle caption Kjersti Magnussen /Flickr