Among youth who vape, USC study finds rise in daily use and difficulty quitting
Since 2019, overall rates of nicotine vaping have declined among U.S. youth, but those who continue to vape are showing signs of worsening addiction, according to new USC research. Between 2020 and 2024, the share of current users who vaped every day increased from 15.4% to 28.8%. Over the same per…