New study: Price increases can reduce underage e cigarette use Juul Introduces Checkout System to Combat Underage Purchases WSJ Juul will pay nearly $440 million to settle states' investigation into teen vaping New Hampshire Public Radio Juul's nicotine salts are dominating the market and other companies want in The Verge Juul, the vape device, is now worth more than Airbnb and SpaceX Vox