Controversy over the safety of using electronic cigarettes has stirred in the country after the government released a report stating e-cigarettes contained five harmful substances that could cause cancer. Cigarette manufacturing company Philip Morris filed a lawsuit against the Ministry of Food and Drug Safety over the report.

Some 27 countries around the world including the United States, China and Hong Kong have some restrictions on e-cigarettes claiming they contain harmful substances. However, this is not the case in Korea [...]