While a growing majority of Americans favor smoking restrictions in public places, many adults still expose their children to significant health risks by puffing tobacco at home, a Mississippi State University researcher reports. In a scientific paper presented at the annual meeting of the Pediatric Academic Societies in San Francisco, Robert McMillen, MD cites changes in adult attitudes and behaviors over the past six years regarding secondhand smoke. McMillen’s report, “Changes from 2000 to 2005 in U.S. Adult Attitudes and Practices Regarding Children’s Exposure to Secondhand Smoke,” stems from his comprehensive 2000 National Social Climate Survey of Tobacco Control....