Children are especially vulnerable to the effects of secondhand smoking, both because they are small and still growing and because they're often a "captive audience" for tobacco smoke. Now, researchers identify another problem: a greater risk for respiratory complications during outpatient surgical procedures. Dwight Jones, MD, of Children's Hospital Boston and Neil Bhattacharyya, MD, from Brigham and Women's Hospital followed 405 children, 168 of whom came from households with smokers. The children were having day surgical procedures at Children's, ranging from drainage of middle-ear fluid to circumcision to hernia repair. All had general anesthesia and received oxygen through a face...