The FDA issued warning letters to five electronic cigarette distributors, saying the products are being marketed illegally as safer alternatives to smoking and even as smoking-cessation aids. The agency says they must seek FDA approval in order to continue making those claims. Continue reading FDA Sends Warning Letters to Electronic Cigarette Makers FDA Sends Warning Letters to Electronic Cigarette Makers originally appeared on DailyFinance on Thu, 09 Sep 2010 18:10:00. Filed Under: Health Care Permalink | Tweet this! | Comments