Trends in the age of cigarette smoking initiation among young adults in the US from 2002 to 2018

10/6/20–In this repeated cross-sectional study including 71,756 young adults aged 22 to 23 years, the proportion of ever smokers who initiated cigarette smoking in early adulthood more than doubled between 2002 and 2018, and the proportion of daily cigarette smokers who transitioned to daily smoking in early adulthood also increased from 38.7% in 2002 to 55.9% in 2018. Read