But as Ms. Zhang walked through a shopping mall, she was suddenly confronted by clouds of cigarette smoke in the corridor outside the restaurant. “My mother told me not to meddle in others’ business, even though she has lung cancer,” Ms. Zhang said in an interview. A decade ago, draft legislation for a national indoor smoking ban was blocked by China’s State Tobacco Monopoly Administration, experts have said. “Given the fact that the people selling tobacco are the people setting the policy to control tobacco, there’s a lot of conflict of interest there,” said Ka Hung-Chan, an epidemiologist at the University of Oxford who studies China’s tobacco control policy. The post China’s Nonsmokers Try to Clear the Air, One Confrontation at a Time appeared first on New York Times.