E cigarette flavors are toxic to white blood cells, warn scientists Adalya FDA approves first menthol flavored e cigarettes from Altria's NJOY FDA should extend the scope of its proposed cigar flavor standard to prohibit flavors in all tobacco products, including e cigarettes and smokeless tobacco, to make them less appealing to adolescents and young FDA move allowing more e cigarettes and nicotine pouches into U.S. blindsides officials PBS News