//www.puressens.com/ en - us 从安嫩伯格公共政策中心提供的最新消息 When mothers engage in frequent sexual discussions with their teenagers but fail to express clear disapproval of teenagers’ sexual involvement, their efforts are more likely to result in greater risky sexual involvement by their teen, according to a new study published in the Journal of Adolescent Health. The study was conducted by Atika Khurana, postdoctoral fellow at the Annenberg Public Policy Center and Elizabeth C. Cooksey, Professor of Sociology and Associate Director of the Center for Human Resource Research at the Ohio State University.//www.puressens.com/news/2012-05-maternal-sexual-adolescent-risky-behaviors.html ob体育开户网址 2012年5月22日星期二07:35:14美国东部时间 news256890870