The survey also found that after a twofold increase over the past two years, rates of past-year vaping of marijuana also remained steady in 2020: 8.1% of eighth g 19.1% of 10th graders, and 22.1% of 12th graders.
Saturday 16 January 2021
webmd - 1 month ago
U.S. Teen Vaping Rates Leveling Off, Remain High
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