Recommended strategies for achieving this goal include: increasing the cost of tobacco products
I guess the nicotine had a numbing effect
It's a musical way of hammering home the fact that this is a movie, and perhaps the characters really know it

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Shields notes that enticing flavors and colorful, inconspicuous packaging have contributed to a dramatic rise in e-cig use among younger populations
They pointed out that there have been no previous studies examining links between ADHD and later tobacco or nicotine use that have parsed out the nuances of ADHD treatment and ADHD symptom severity. In the analysis, the researchers assessed how those factors influenced the odds for several outcomes of tobacco and nicotine use over a 9-year period among a sample of 13,572 adolescents aged 12 to 17 years from the Population Assessment of Tobacco and Study