We can spot them from a mile away. Vapers—disappearing in a huge cloud of smoke every time they take a hit. Their cars look like fog machines if they are vaping while driving, and they are painfully visible in public as well. [...] According to a study by Sareen Singh et al. (2020), electronic cigarette use has skyrocketed in the United States, rising to unprecedented levels among young people. They examined patterns of what they term the “youth vaping epidemic,” potential harms stemming from the use of e-cigarettes, and the public health, clinical, and regulatory responses to youth e-cigarette use.