FDA OKs first menthol e cigarettes, citing potential to help adult smokers WPRI.com FDA authorizes first menthol flavored e cigarettes for adults PBS News FDA OKs first menthol e cigarettes in bid to help adult smokers pennlive.com FDA authorizes two more RJR tobacco e cigs and lets menthol remain on the market, ignoring its own conclusion that menthol reinforces nicotine addiction in kids' developing brains Stanton Glantz blog