Australia: The head of the Therapeutic Goods Authority (TGA), John Skerrit, has acknowledged that the nicotine e-cigarette regulations implemented on 1st October last year have not been effective, smoking cessation specialist Colin Mendelsohn reports. Skerrit admitted that despite the requirement of a prescription to purchase nicotine-containing e-cigarettes only 10% of adult vapers have a prescription. He said a large number of low » Continue Reading.