The Centers for Medicare and Medicaid Services says it will cover screening and counseling for obesity as a free preventive service for Medicare beneficiaries. M. Spencer Green/AP hide caption

itoggle caption M. Spencer Green/AP

The latest numbers from CDC show that only 28 percent of the nation's 1.2 million HIV-infected people are getting effective antiviral treatment; effective treatment rates are lowest among African-American men. Robyn Beck/AFP/Getty Images hide caption

itoggle caption Robyn Beck/AFP/Getty Images

Babies sleeping with their parents risk death, according to an ad campaign by the Milwaukee Health Department. Courtesy of the Milwaukee Health Department hide caption

itoggle caption Courtesy of the Milwaukee Health Department

Patients sit after their cataract surgeries at a hospital of the Aravind Eye Care System in Madurai, India. Reinhard Krause/Reuters/Landov hide caption

itoggle caption Reinhard Krause/Reuters/Landov

U.S. Navy doctors Lt. Cmdr Ralph Pickard (left) and Ens. Jesse Rohloff study a patient's mammogram images at the National Naval Medical Center in Bethesda, Md. CWO4 Seth Rossman/U.S. Navy hide caption

itoggle caption CWO4 Seth Rossman/U.S. Navy

Michele Pereira, who questions the schedule of mandatory vaccines, sat with her daughters, Evangeline, 6, right, and Genevieve, 2, at a park in Ashland, Ore., earlier this month. Jeff Barnard/AP hide caption

itoggle caption Jeff Barnard/AP

In the Packard Pediatric Weight Control Program, kids learn that some foods, like cookies, cupcakes and soda, are "red lights" and shouldn't be eaten frequently. iStockphoto.com hide caption

itoggle caption iStockphoto.com