UC Davis study: Disposable vapes may be more toxic than cigarettes Vaping as a teenager is a gateway to smoking, study suggests Study: Potent sweetener neotame found by researchers in popular vapes New data show nearly 800,000 teens vaped for the first time in the past year, as FDA is set to announce first major decision to remove a popular e cigarette brand Teenage Vaping Declines This Year, Survey Says The New York Times