2FIRSTS Vapesourcing, a leading U.S. vape retailer, has announced it will no longer supply flavored nicotine products to California and Massachusetts. FDA warns retailers against illegal sale of e cigarettes to children PBS News FDA to tighten age restrictions on e cigarettes, limit flavored vapes E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA E cigarettes: Local policy's impact on tobacco use Vape Shops Clouding Issues of Safety