This advertisement for the da Vinci surgical robot led former hospital executive Paul Levy to ask the University of Illinois Hospital and Health Sciences System about its role in marketing the high-tech device. Paul Levy/ProPublica hide caption

itoggle caption Paul Levy/ProPublica

Michael Sawyer, the latest doctor in his family, holds a portrait of his grandfather Dr. Ken Sawyer, while his father Robert, a surgeon, looks on. Barry Gutierrez for NPR hide caption

itoggle caption Barry Gutierrez for NPR

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

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

itoggle caption Kjersti Magnussen /Flickr

Almost half of high-schoolers have had sexual intercourse, but teens almost never ask their doctors about sexual health. Nicole Young/iStockphoto hide caption

itoggle caption Nicole Young/iStockphoto

British pharmaceuticals giant GlaxoSmithKline is pledging to revamp its relationships with doctors. Sang Tan/AP hide caption

itoggle caption Sang Tan/AP

Dr. Tim Ihrig, a palliative care physician, treats Augie Avelleyra, 93, at his home in Fort Dodge, Iowa. Courtesy of Paula Avelleyra hide caption

itoggle caption Courtesy of Paula Avelleyra