President Trump declared the opioid epidemic a public health emergency. Although some commentators have debated its merits, the declaration has already been successful in 1 regard: it has focused national attention on the problem of opioid misuse and abuse. Indeed, the opioid epidemic is a pressing problem. In 2015, opioids were implicated in 33 000 deaths, representing a 4-fold increase since the early 2000s. 1 Mortality attributable to opioids is particularly concentrated among younger adults, with an estimated 1 million years of potential life lost annually. 2 As devastating as the opioid epidemic is, however, its toll is modest compared to that of another substance: tobacco. Even though tobacco use has rarely made headlines in recent years, cigarette smoking is associated with an estimated 480 000 deaths in the United States annually, totaling approximately 5 million years of potential life lost each year. 3,4 Of these deaths, approximately 41 000 are attributed to secondhand smoke exposure, a number that alone exceeds the number of US residents who die of an opioid overdose. 3 Public outcry over the opioid crisis is by no means misplaced, but the contrast between the relative attention