More than 100 million people around the world now use e cigarettes, including at least 15 million children, according to the World Health Organization (WHO). The organisation has warned that vaping is fuelling E cigarettes ban, a critical tool in Uganda's battle against tobacco use WHO Regional Office for Africa Vaping Could Be 'Potentially Even More' Harmful to Hearts Than Smoking, Scientists Warn Newsweek E cigarettes branded 'harmful' as World Health Organisation calls for greater regulation to protect children UK News Sky News